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Finding the Fourth Proportional to 387,344.76, 581,050.62 and 106,862.01

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Solution

The fourth proportional to 387,344.76, 581,050.62 and 106,862.01 is: 160,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,344.76 : 581,050.62 = 106,862.01 : x
  2. Step 2: Convert to fraction form
    387,344.76/581,050.62 = 106,862.01/x
  3. Step 3: Cross multiply
    387,344.76x = 581,050.62 × 106,862.01
  4. Step 4: Simplify right side
    387,344.76x = 62,092,234,986.01
  5. Step 5: Solve for x
    x = 62,092,234,986.01/387,344.76
  6. Step 6: Final answer
    x = 160,302.25

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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.