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Finding the Fourth Proportional to 58,294.40, 87,310.04 and 40,842.12

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Solution

The fourth proportional to 58,294.40, 87,310.04 and 40,842.12 is: 61,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,294.40 : 87,310.04 = 40,842.12 : x
  2. Step 2: Convert to fraction form
    58,294.40/87,310.04 = 40,842.12/x
  3. Step 3: Cross multiply
    58,294.40x = 87,310.04 × 40,842.12
  4. Step 4: Simplify right side
    58,294.40x = 3,565,927,130.88
  5. Step 5: Solve for x
    x = 3,565,927,130.88/58,294.40
  6. Step 6: Final answer
    x = 61,171.01

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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.