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Finding the Fourth Proportional to 359,350.12, 539,104.86 and 106,650.76

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Solution

The fourth proportional to 359,350.12, 539,104.86 and 106,650.76 is: 159,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,350.12 : 539,104.86 = 106,650.76 : x
  2. Step 2: Convert to fraction form
    359,350.12/539,104.86 = 106,650.76/x
  3. Step 3: Cross multiply
    359,350.12x = 539,104.86 × 106,650.76
  4. Step 4: Simplify right side
    359,350.12x = 57,495,943,038.69
  5. Step 5: Solve for x
    x = 57,495,943,038.69/359,350.12
  6. Step 6: Final answer
    x = 159,999.79

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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.