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Finding the Fourth Proportional to 359,763.99, 539,551.95 and 106,976.40

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Solution

The fourth proportional to 359,763.99, 539,551.95 and 106,976.40 is: 160,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,763.99 : 539,551.95 = 106,976.40 : x
  2. Step 2: Convert to fraction form
    359,763.99/539,551.95 = 106,976.40/x
  3. Step 3: Cross multiply
    359,763.99x = 539,551.95 × 106,976.40
  4. Step 4: Simplify right side
    359,763.99x = 57,719,325,223.98
  5. Step 5: Solve for x
    x = 57,719,325,223.98/359,763.99
  6. Step 6: Final answer
    x = 160,436.64

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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.