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Finding the Fourth Proportional to 91,857.30, 137,785.95 and 29,534.10

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Solution

The fourth proportional to 91,857.30, 137,785.95 and 29,534.10 is: 44,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857.30 : 137,785.95 = 29,534.10 : x
  2. Step 2: Convert to fraction form
    91,857.30/137,785.95 = 29,534.10/x
  3. Step 3: Cross multiply
    91,857.30x = 137,785.95 × 29,534.10
  4. Step 4: Simplify right side
    91,857.30x = 4,069,384,025.90
  5. Step 5: Solve for x
    x = 4,069,384,025.90/91,857.30
  6. Step 6: Final answer
    x = 44,301.15

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1.5x scale

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.