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Finding the Fourth Proportional to 359,080.95, 538,700.22 and 106,381.20

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Solution

The fourth proportional to 359,080.95, 538,700.22 and 106,381.20 is: 159,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,080.95 : 538,700.22 = 106,381.20 : x
  2. Step 2: Convert to fraction form
    359,080.95/538,700.22 = 106,381.20/x
  3. Step 3: Cross multiply
    359,080.95x = 538,700.22 × 106,381.20
  4. Step 4: Simplify right side
    359,080.95x = 57,307,575,843.86
  5. Step 5: Solve for x
    x = 57,307,575,843.86/359,080.95
  6. Step 6: Final answer
    x = 159,595.14

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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.