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Finding the Fourth Proportional to 58,000.20, 87,065.10 and 54,193.20

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Solution

The fourth proportional to 58,000.20, 87,065.10 and 54,193.20 is: 81,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.20 : 87,065.10 = 54,193.20 : x
  2. Step 2: Convert to fraction form
    58,000.20/87,065.10 = 54,193.20/x
  3. Step 3: Cross multiply
    58,000.20x = 87,065.10 × 54,193.20
  4. Step 4: Simplify right side
    58,000.20x = 4,718,336,377.32
  5. Step 5: Solve for x
    x = 4,718,336,377.32/58,000.20
  6. Step 6: Final answer
    x = 81,350.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.