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Finding the Fourth Proportional to 91,702.88, 137,542.53 and 35,504.46

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Solution

The fourth proportional to 91,702.88, 137,542.53 and 35,504.46 is: 53,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702.88 : 137,542.53 = 35,504.46 : x
  2. Step 2: Convert to fraction form
    91,702.88/137,542.53 = 35,504.46/x
  3. Step 3: Cross multiply
    91,702.88x = 137,542.53 × 35,504.46
  4. Step 4: Simplify right side
    91,702.88x = 4,883,373,254.68
  5. Step 5: Solve for x
    x = 4,883,373,254.68/91,702.88
  6. Step 6: Final answer
    x = 53,252.13

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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.