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Finding the Fourth Proportional to 169,901.92, 234,444.24 and 93,408.40

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Solution

The fourth proportional to 169,901.92, 234,444.24 and 93,408.40 is: 128,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,901.92 : 234,444.24 = 93,408.40 : x
  2. Step 2: Convert to fraction form
    169,901.92/234,444.24 = 93,408.40/x
  3. Step 3: Cross multiply
    169,901.92x = 234,444.24 × 93,408.40
  4. Step 4: Simplify right side
    169,901.92x = 21,899,061,347.62
  5. Step 5: Solve for x
    x = 21,899,061,347.62/169,901.92
  6. Step 6: Final answer
    x = 128,892.37

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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.