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Finding the Fourth Proportional to 359,689.93, 539,534.82 and 106,969.39

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Solution

The fourth proportional to 359,689.93, 539,534.82 and 106,969.39 is: 160,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,689.93 : 539,534.82 = 106,969.39 : x
  2. Step 2: Convert to fraction form
    359,689.93/539,534.82 = 106,969.39/x
  3. Step 3: Cross multiply
    359,689.93x = 539,534.82 × 106,969.39
  4. Step 4: Simplify right side
    359,689.93x = 57,713,710,579.16
  5. Step 5: Solve for x
    x = 57,713,710,579.16/359,689.93
  6. Step 6: Final answer
    x = 160,454.06

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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.