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Finding the Fourth Proportional to 123,463.44, 170,366.76 and 69,754.32

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Solution

The fourth proportional to 123,463.44, 170,366.76 and 69,754.32 is: 96,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,463.44 : 170,366.76 = 69,754.32 : x
  2. Step 2: Convert to fraction form
    123,463.44/170,366.76 = 69,754.32/x
  3. Step 3: Cross multiply
    123,463.44x = 170,366.76 × 69,754.32
  4. Step 4: Simplify right side
    123,463.44x = 11,883,817,494.40
  5. Step 5: Solve for x
    x = 11,883,817,494.40/123,463.44
  6. Step 6: Final answer
    x = 96,253.74

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1.5x scale

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.