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Finding the Fourth Proportional to 116,589.78, 174,522.65 and 63,149.02

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Solution

The fourth proportional to 116,589.78, 174,522.65 and 63,149.02 is: 94,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,589.78 : 174,522.65 = 63,149.02 : x
  2. Step 2: Convert to fraction form
    116,589.78/174,522.65 = 63,149.02/x
  3. Step 3: Cross multiply
    116,589.78x = 174,522.65 × 63,149.02
  4. Step 4: Simplify right side
    116,589.78x = 11,020,934,315.30
  5. Step 5: Solve for x
    x = 11,020,934,315.30/116,589.78
  6. Step 6: Final answer
    x = 94,527.45

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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.