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Finding the Fourth Proportional to 67,807.48, 93,541.08 and 58,842.40

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Solution

The fourth proportional to 67,807.48, 93,541.08 and 58,842.40 is: 81,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807.48 : 93,541.08 = 58,842.40 : x
  2. Step 2: Convert to fraction form
    67,807.48/93,541.08 = 58,842.40/x
  3. Step 3: Cross multiply
    67,807.48x = 93,541.08 × 58,842.40
  4. Step 4: Simplify right side
    67,807.48x = 5,504,181,645.79
  5. Step 5: Solve for x
    x = 5,504,181,645.79/67,807.48
  6. Step 6: Final answer
    x = 81,173.66

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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.