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Finding the Fourth Proportional to 359,282.60, 538,923.90 and 106,572.20

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Solution

The fourth proportional to 359,282.60, 538,923.90 and 106,572.20 is: 159,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,282.60 : 538,923.90 = 106,572.20 : x
  2. Step 2: Convert to fraction form
    359,282.60/538,923.90 = 106,572.20/x
  3. Step 3: Cross multiply
    359,282.60x = 538,923.90 × 106,572.20
  4. Step 4: Simplify right side
    359,282.60x = 57,434,305,655.58
  5. Step 5: Solve for x
    x = 57,434,305,655.58/359,282.60
  6. Step 6: Final answer
    x = 159,858.30

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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.