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Finding the Fourth Proportional to 359,356, 539,031.84 and 93,115.84

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Solution

The fourth proportional to 359,356, 539,031.84 and 93,115.84 is: 139,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,356 : 539,031.84 = 93,115.84 : x
  2. Step 2: Convert to fraction form
    359,356/539,031.84 = 93,115.84/x
  3. Step 3: Cross multiply
    359,356x = 539,031.84 × 93,115.84
  4. Step 4: Simplify right side
    359,356x = 50,192,402,568.35
  5. Step 5: Solve for x
    x = 50,192,402,568.35/359,356
  6. Step 6: Final answer
    x = 139,673.20

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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.