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Finding the Fourth Proportional to 125,280,455.60, 187,920,683.40 and 125,280,455.60

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Solution

The fourth proportional to 125,280,455.60, 187,920,683.40 and 125,280,455.60 is: 187,920,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,280,455.60 : 187,920,683.40 = 125,280,455.60 : x
  2. Step 2: Convert to fraction form
    125,280,455.60/187,920,683.40 = 125,280,455.60/x
  3. Step 3: Cross multiply
    125,280,455.60x = 187,920,683.40 × 125,280,455.60
  4. Step 4: Simplify right side
    125,280,455.60x = 23,542,788,833,015,356
  5. Step 5: Solve for x
    x = 23,542,788,833,015,356/125,280,455.60
  6. Step 6: Final answer
    x = 187,920,683.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.