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Finding the Fourth Proportional to 359,561.01, 539,201.31 and 134,798.94

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Solution

The fourth proportional to 359,561.01, 539,201.31 and 134,798.94 is: 202,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,561.01 : 539,201.31 = 134,798.94 : x
  2. Step 2: Convert to fraction form
    359,561.01/539,201.31 = 134,798.94/x
  3. Step 3: Cross multiply
    359,561.01x = 539,201.31 × 134,798.94
  4. Step 4: Simplify right side
    359,561.01x = 72,683,765,034.61
  5. Step 5: Solve for x
    x = 72,683,765,034.61/359,561.01
  6. Step 6: Final answer
    x = 202,145.85

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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.