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Finding the Fourth Proportional to 67,429.17, 100,631.03 and 59,955.97

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Solution

The fourth proportional to 67,429.17, 100,631.03 and 59,955.97 is: 89,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,429.17 : 100,631.03 = 59,955.97 : x
  2. Step 2: Convert to fraction form
    67,429.17/100,631.03 = 59,955.97/x
  3. Step 3: Cross multiply
    67,429.17x = 100,631.03 × 59,955.97
  4. Step 4: Simplify right side
    67,429.17x = 6,033,431,015.75
  5. Step 5: Solve for x
    x = 6,033,431,015.75/67,429.17
  6. Step 6: Final answer
    x = 89,478.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.