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Finding the Fourth Proportional to 92,793.98, 128,160.61 and 62,526.76

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Solution

The fourth proportional to 92,793.98, 128,160.61 and 62,526.76 is: 86,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,793.98 : 128,160.61 = 62,526.76 : x
  2. Step 2: Convert to fraction form
    92,793.98/128,160.61 = 62,526.76/x
  3. Step 3: Cross multiply
    92,793.98x = 128,160.61 × 62,526.76
  4. Step 4: Simplify right side
    92,793.98x = 8,013,467,226.21
  5. Step 5: Solve for x
    x = 8,013,467,226.21/92,793.98
  6. Step 6: Final answer
    x = 86,357.62

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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.