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Finding the Fourth Proportional to 58,252.40, 87,443.40 and 36,090.80

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Solution

The fourth proportional to 58,252.40, 87,443.40 and 36,090.80 is: 54,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,252.40 : 87,443.40 = 36,090.80 : x
  2. Step 2: Convert to fraction form
    58,252.40/87,443.40 = 36,090.80/x
  3. Step 3: Cross multiply
    58,252.40x = 87,443.40 × 36,090.80
  4. Step 4: Simplify right side
    58,252.40x = 3,155,902,260.72
  5. Step 5: Solve for x
    x = 3,155,902,260.72/58,252.40
  6. Step 6: Final answer
    x = 54,176.35

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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.