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Finding the Fourth Proportional to 82,753.55, 114,184.79 and 54,065.58

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Solution

The fourth proportional to 82,753.55, 114,184.79 and 54,065.58 is: 74,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,753.55 : 114,184.79 = 54,065.58 : x
  2. Step 2: Convert to fraction form
    82,753.55/114,184.79 = 54,065.58/x
  3. Step 3: Cross multiply
    82,753.55x = 114,184.79 × 54,065.58
  4. Step 4: Simplify right side
    82,753.55x = 6,173,466,402.75
  5. Step 5: Solve for x
    x = 6,173,466,402.75/82,753.55
  6. Step 6: Final answer
    x = 74,600.62

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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.