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Finding the Fourth Proportional to 206,625.60, 309,938.40 and 58,862.40

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Solution

The fourth proportional to 206,625.60, 309,938.40 and 58,862.40 is: 88,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,625.60 : 309,938.40 = 58,862.40 : x
  2. Step 2: Convert to fraction form
    206,625.60/309,938.40 = 58,862.40/x
  3. Step 3: Cross multiply
    206,625.60x = 309,938.40 × 58,862.40
  4. Step 4: Simplify right side
    206,625.60x = 18,243,718,076.16
  5. Step 5: Solve for x
    x = 18,243,718,076.16/206,625.60
  6. Step 6: Final answer
    x = 88,293.60

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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.