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Finding the Fourth Proportional to 92,753.55, 128,002.19 and 52,465.41

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Solution

The fourth proportional to 92,753.55, 128,002.19 and 52,465.41 is: 72,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,753.55 : 128,002.19 = 52,465.41 : x
  2. Step 2: Convert to fraction form
    92,753.55/128,002.19 = 52,465.41/x
  3. Step 3: Cross multiply
    92,753.55x = 128,002.19 × 52,465.41
  4. Step 4: Simplify right side
    92,753.55x = 6,715,687,116.92
  5. Step 5: Solve for x
    x = 6,715,687,116.92/92,753.55
  6. Step 6: Final answer
    x = 72,403.56

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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.