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Finding the Fourth Proportional to 94,199.97, 129,906.72 and 61,877.73

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Solution

The fourth proportional to 94,199.97, 129,906.72 and 61,877.73 is: 85,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,199.97 : 129,906.72 = 61,877.73 : x
  2. Step 2: Convert to fraction form
    94,199.97/129,906.72 = 61,877.73/x
  3. Step 3: Cross multiply
    94,199.97x = 129,906.72 × 61,877.73
  4. Step 4: Simplify right side
    94,199.97x = 8,038,333,432.50
  5. Step 5: Solve for x
    x = 8,038,333,432.50/94,199.97
  6. Step 6: Final answer
    x = 85,332.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.