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Finding the Fourth Proportional to 360,036.14, 540,047.52 and 107,487.86

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Solution

The fourth proportional to 360,036.14, 540,047.52 and 107,487.86 is: 161,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,036.14 : 540,047.52 = 107,487.86 : x
  2. Step 2: Convert to fraction form
    360,036.14/540,047.52 = 107,487.86/x
  3. Step 3: Cross multiply
    360,036.14x = 540,047.52 × 107,487.86
  4. Step 4: Simplify right side
    360,036.14x = 58,048,549,522.87
  5. Step 5: Solve for x
    x = 58,048,549,522.87/360,036.14
  6. Step 6: Final answer
    x = 161,229.79

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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.