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Finding the Fourth Proportional to 359,214.57, 538,877.25 and 122,501.88

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Solution

The fourth proportional to 359,214.57, 538,877.25 and 122,501.88 is: 183,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,214.57 : 538,877.25 = 122,501.88 : x
  2. Step 2: Convert to fraction form
    359,214.57/538,877.25 = 122,501.88/x
  3. Step 3: Cross multiply
    359,214.57x = 538,877.25 × 122,501.88
  4. Step 4: Simplify right side
    359,214.57x = 66,013,476,214.23
  5. Step 5: Solve for x
    x = 66,013,476,214.23/359,214.57
  6. Step 6: Final answer
    x = 183,771.71

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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.