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Finding the Fourth Proportional to 359,240.50, 538,952.28 and 106,530.22

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Solution

The fourth proportional to 359,240.50, 538,952.28 and 106,530.22 is: 159,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,240.50 : 538,952.28 = 106,530.22 : x
  2. Step 2: Convert to fraction form
    359,240.50/538,952.28 = 106,530.22/x
  3. Step 3: Cross multiply
    359,240.50x = 538,952.28 × 106,530.22
  4. Step 4: Simplify right side
    359,240.50x = 57,414,704,957.90
  5. Step 5: Solve for x
    x = 57,414,704,957.90/359,240.50
  6. Step 6: Final answer
    x = 159,822.47

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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.