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Finding the Fourth Proportional to 92,771.55, 128,023.13 and 52,484.31

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Solution

The fourth proportional to 92,771.55, 128,023.13 and 52,484.31 is: 72,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,771.55 : 128,023.13 = 52,484.31 : x
  2. Step 2: Convert to fraction form
    92,771.55/128,023.13 = 52,484.31/x
  3. Step 3: Cross multiply
    92,771.55x = 128,023.13 × 52,484.31
  4. Step 4: Simplify right side
    92,771.55x = 6,719,205,773.30
  5. Step 5: Solve for x
    x = 6,719,205,773.30/92,771.55
  6. Step 6: Final answer
    x = 72,427.44

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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.