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Finding the Fourth Proportional to 60,064.20, 89,966.70 and 49,696.20

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Solution

The fourth proportional to 60,064.20, 89,966.70 and 49,696.20 is: 74,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,064.20 : 89,966.70 = 49,696.20 : x
  2. Step 2: Convert to fraction form
    60,064.20/89,966.70 = 49,696.20/x
  3. Step 3: Cross multiply
    60,064.20x = 89,966.70 × 49,696.20
  4. Step 4: Simplify right side
    60,064.20x = 4,471,003,116.54
  5. Step 5: Solve for x
    x = 4,471,003,116.54/60,064.20
  6. Step 6: Final answer
    x = 74,437.07

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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.