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Finding the Fourth Proportional to 92,818.92, 128,059.62 and 52,528.68

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Solution

The fourth proportional to 92,818.92, 128,059.62 and 52,528.68 is: 72,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.92 : 128,059.62 = 52,528.68 : x
  2. Step 2: Convert to fraction form
    92,818.92/128,059.62 = 52,528.68/x
  3. Step 3: Cross multiply
    92,818.92x = 128,059.62 × 52,528.68
  4. Step 4: Simplify right side
    92,818.92x = 6,726,802,799.90
  5. Step 5: Solve for x
    x = 6,726,802,799.90/92,818.92
  6. Step 6: Final answer
    x = 72,472.32

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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.