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Finding the Fourth Proportional to 125,937.90, 173,750.34 and 71,483.58

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Solution

The fourth proportional to 125,937.90, 173,750.34 and 71,483.58 is: 98,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,937.90 : 173,750.34 = 71,483.58 : x
  2. Step 2: Convert to fraction form
    125,937.90/173,750.34 = 71,483.58/x
  3. Step 3: Cross multiply
    125,937.90x = 173,750.34 × 71,483.58
  4. Step 4: Simplify right side
    125,937.90x = 12,420,296,329.42
  5. Step 5: Solve for x
    x = 12,420,296,329.42/125,937.90
  6. Step 6: Final answer
    x = 98,622.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.