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Finding the Fourth Proportional to 92,949.84, 128,260.36 and 52,654.97

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Solution

The fourth proportional to 92,949.84, 128,260.36 and 52,654.97 is: 72,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.84 : 128,260.36 = 52,654.97 : x
  2. Step 2: Convert to fraction form
    92,949.84/128,260.36 = 52,654.97/x
  3. Step 3: Cross multiply
    92,949.84x = 128,260.36 × 52,654.97
  4. Step 4: Simplify right side
    92,949.84x = 6,753,545,407.99
  5. Step 5: Solve for x
    x = 6,753,545,407.99/92,949.84
  6. Step 6: Final answer
    x = 72,657.96

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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.