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Finding the Fourth Proportional to 359,610.29, 539,522.75 and 106,899.20

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Solution

The fourth proportional to 359,610.29, 539,522.75 and 106,899.20 is: 160,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,610.29 : 539,522.75 = 106,899.20 : x
  2. Step 2: Convert to fraction form
    359,610.29/539,522.75 = 106,899.20/x
  3. Step 3: Cross multiply
    359,610.29x = 539,522.75 × 106,899.20
  4. Step 4: Simplify right side
    359,610.29x = 57,674,547,926.43
  5. Step 5: Solve for x
    x = 57,674,547,926.43/359,610.29
  6. Step 6: Final answer
    x = 160,380.70

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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.