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Finding the Fourth Proportional to 82,366.30, 123,549.45 and 23,201.20

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Solution

The fourth proportional to 82,366.30, 123,549.45 and 23,201.20 is: 34,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366.30 : 123,549.45 = 23,201.20 : x
  2. Step 2: Convert to fraction form
    82,366.30/123,549.45 = 23,201.20/x
  3. Step 3: Cross multiply
    82,366.30x = 123,549.45 × 23,201.20
  4. Step 4: Simplify right side
    82,366.30x = 2,866,495,499.34
  5. Step 5: Solve for x
    x = 2,866,495,499.34/82,366.30
  6. Step 6: Final answer
    x = 34,801.80

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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.