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Finding the Fourth Proportional to 91,760.65, 137,649.17 and 35,599.40

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Solution

The fourth proportional to 91,760.65, 137,649.17 and 35,599.40 is: 53,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760.65 : 137,649.17 = 35,599.40 : x
  2. Step 2: Convert to fraction form
    91,760.65/137,649.17 = 35,599.40/x
  3. Step 3: Cross multiply
    91,760.65x = 137,649.17 × 35,599.40
  4. Step 4: Simplify right side
    91,760.65x = 4,900,227,779.44
  5. Step 5: Solve for x
    x = 4,900,227,779.44/91,760.65
  6. Step 6: Final answer
    x = 53,402.28

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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.