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Finding the Fourth Proportional to 359,570.94, 539,216.28 and 134,808.78

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Solution

The fourth proportional to 359,570.94, 539,216.28 and 134,808.78 is: 202,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,570.94 : 539,216.28 = 134,808.78 : x
  2. Step 2: Convert to fraction form
    359,570.94/539,216.28 = 134,808.78/x
  3. Step 3: Cross multiply
    359,570.94x = 539,216.28 × 134,808.78
  4. Step 4: Simplify right side
    359,570.94x = 72,691,088,862.94
  5. Step 5: Solve for x
    x = 72,691,088,862.94/359,570.94
  6. Step 6: Final answer
    x = 202,160.63

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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.