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Finding the Fourth Proportional to 60,694.14, 90,881.70 and 48,784.72

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Solution

The fourth proportional to 60,694.14, 90,881.70 and 48,784.72 is: 73,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,694.14 : 90,881.70 = 48,784.72 : x
  2. Step 2: Convert to fraction form
    60,694.14/90,881.70 = 48,784.72/x
  3. Step 3: Cross multiply
    60,694.14x = 90,881.70 × 48,784.72
  4. Step 4: Simplify right side
    60,694.14x = 4,433,638,287.62
  5. Step 5: Solve for x
    x = 4,433,638,287.62/60,694.14
  6. Step 6: Final answer
    x = 73,048.87

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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.