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Finding the Fourth Proportional to 359,031.84, 538,546.14 and 92,769.72

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Solution

The fourth proportional to 359,031.84, 538,546.14 and 92,769.72 is: 139,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,031.84 : 538,546.14 = 92,769.72 : x
  2. Step 2: Convert to fraction form
    359,031.84/538,546.14 = 92,769.72/x
  3. Step 3: Cross multiply
    359,031.84x = 538,546.14 × 92,769.72
  4. Step 4: Simplify right side
    359,031.84x = 49,960,774,614.88
  5. Step 5: Solve for x
    x = 49,960,774,614.88/359,031.84
  6. Step 6: Final answer
    x = 139,154.16

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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.