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Finding the Fourth Proportional to 61,117.80, 91,662.14 and 34,475.24

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Solution

The fourth proportional to 61,117.80, 91,662.14 and 34,475.24 is: 51,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,117.80 : 91,662.14 = 34,475.24 : x
  2. Step 2: Convert to fraction form
    61,117.80/91,662.14 = 34,475.24/x
  3. Step 3: Cross multiply
    61,117.80x = 91,662.14 × 34,475.24
  4. Step 4: Simplify right side
    61,117.80x = 3,160,074,275.41
  5. Step 5: Solve for x
    x = 3,160,074,275.41/61,117.80
  6. Step 6: Final answer
    x = 51,704.65

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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.