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Finding the Fourth Proportional to 124,595.60, 186,893.40 and 40,355.60

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Solution

The fourth proportional to 124,595.60, 186,893.40 and 40,355.60 is: 60,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,595.60 : 186,893.40 = 40,355.60 : x
  2. Step 2: Convert to fraction form
    124,595.60/186,893.40 = 40,355.60/x
  3. Step 3: Cross multiply
    124,595.60x = 186,893.40 × 40,355.60
  4. Step 4: Simplify right side
    124,595.60x = 7,542,195,293.04
  5. Step 5: Solve for x
    x = 7,542,195,293.04/124,595.60
  6. Step 6: Final answer
    x = 60,533.40

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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.