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Finding the Fourth Proportional to 155,763.20, 233,191.20 and 116,494.40

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Solution

The fourth proportional to 155,763.20, 233,191.20 and 116,494.40 is: 174,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,763.20 : 233,191.20 = 116,494.40 : x
  2. Step 2: Convert to fraction form
    155,763.20/233,191.20 = 116,494.40/x
  3. Step 3: Cross multiply
    155,763.20x = 233,191.20 × 116,494.40
  4. Step 4: Simplify right side
    155,763.20x = 27,165,468,929.28
  5. Step 5: Solve for x
    x = 27,165,468,929.28/155,763.20
  6. Step 6: Final answer
    x = 174,402.36

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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.