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Finding the Fourth Proportional to 92,898.54, 128,201.67 and 52,612.14

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Solution

The fourth proportional to 92,898.54, 128,201.67 and 52,612.14 is: 72,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,898.54 : 128,201.67 = 52,612.14 : x
  2. Step 2: Convert to fraction form
    92,898.54/128,201.67 = 52,612.14/x
  3. Step 3: Cross multiply
    92,898.54x = 128,201.67 × 52,612.14
  4. Step 4: Simplify right side
    92,898.54x = 6,744,964,210.27
  5. Step 5: Solve for x
    x = 6,744,964,210.27/92,898.54
  6. Step 6: Final answer
    x = 72,605.71

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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.