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Finding the Fourth Proportional to 58,245.40, 87,252.90 and 54,098.20

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Solution

The fourth proportional to 58,245.40, 87,252.90 and 54,098.20 is: 81,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.40 : 87,252.90 = 54,098.20 : x
  2. Step 2: Convert to fraction form
    58,245.40/87,252.90 = 54,098.20/x
  3. Step 3: Cross multiply
    58,245.40x = 87,252.90 × 54,098.20
  4. Step 4: Simplify right side
    58,245.40x = 4,720,224,834.78
  5. Step 5: Solve for x
    x = 4,720,224,834.78/58,245.40
  6. Step 6: Final answer
    x = 81,040.30

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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.