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Finding the Fourth Proportional to 124,179.42, 186,305.42 and 39,937.69

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Solution

The fourth proportional to 124,179.42, 186,305.42 and 39,937.69 is: 59,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,179.42 : 186,305.42 = 39,937.69 : x
  2. Step 2: Convert to fraction form
    124,179.42/186,305.42 = 39,937.69/x
  3. Step 3: Cross multiply
    124,179.42x = 186,305.42 × 39,937.69
  4. Step 4: Simplify right side
    124,179.42x = 7,440,608,109.28
  5. Step 5: Solve for x
    x = 7,440,608,109.28/124,179.42
  6. Step 6: Final answer
    x = 59,918.21

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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.