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Finding the Fourth Proportional to 359,978.04, 539,959.77 and 93,732.66

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Solution

The fourth proportional to 359,978.04, 539,959.77 and 93,732.66 is: 140,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,978.04 : 539,959.77 = 93,732.66 : x
  2. Step 2: Convert to fraction form
    359,978.04/539,959.77 = 93,732.66/x
  3. Step 3: Cross multiply
    359,978.04x = 539,959.77 × 93,732.66
  4. Step 4: Simplify right side
    359,978.04x = 50,611,865,535.09
  5. Step 5: Solve for x
    x = 50,611,865,535.09/359,978.04
  6. Step 6: Final answer
    x = 140,597.09

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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.