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Finding the Fourth Proportional to 124,414.05, 171,674.10 and 73,428.93

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Solution

The fourth proportional to 124,414.05, 171,674.10 and 73,428.93 is: 101,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414.05 : 171,674.10 = 73,428.93 : x
  2. Step 2: Convert to fraction form
    124,414.05/171,674.10 = 73,428.93/x
  3. Step 3: Cross multiply
    124,414.05x = 171,674.10 × 73,428.93
  4. Step 4: Simplify right side
    124,414.05x = 12,605,845,471.71
  5. Step 5: Solve for x
    x = 12,605,845,471.71/124,414.05
  6. Step 6: Final answer
    x = 101,321.72

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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.