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Finding the Fourth Proportional to 359,746.44, 539,643 and 119,850.12

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Solution

The fourth proportional to 359,746.44, 539,643 and 119,850.12 is: 179,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,746.44 : 539,643 = 119,850.12 : x
  2. Step 2: Convert to fraction form
    359,746.44/539,643 = 119,850.12/x
  3. Step 3: Cross multiply
    359,746.44x = 539,643 × 119,850.12
  4. Step 4: Simplify right side
    359,746.44x = 64,676,278,307.16
  5. Step 5: Solve for x
    x = 64,676,278,307.16/359,746.44
  6. Step 6: Final answer
    x = 179,782.96

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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.