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Finding the Fourth Proportional to 359,257.62, 538,941.78 and 122,545.02

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Solution

The fourth proportional to 359,257.62, 538,941.78 and 122,545.02 is: 183,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,257.62 : 538,941.78 = 122,545.02 : x
  2. Step 2: Convert to fraction form
    359,257.62/538,941.78 = 122,545.02/x
  3. Step 3: Cross multiply
    359,257.62x = 538,941.78 × 122,545.02
  4. Step 4: Simplify right side
    359,257.62x = 66,044,631,208.94
  5. Step 5: Solve for x
    x = 66,044,631,208.94/359,257.62
  6. Step 6: Final answer
    x = 183,836.41

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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.