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Finding the Fourth Proportional to 169,853.40, 234,410.76 and 101,872.92

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Solution

The fourth proportional to 169,853.40, 234,410.76 and 101,872.92 is: 140,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,853.40 : 234,410.76 = 101,872.92 : x
  2. Step 2: Convert to fraction form
    169,853.40/234,410.76 = 101,872.92/x
  3. Step 3: Cross multiply
    169,853.40x = 234,410.76 × 101,872.92
  4. Step 4: Simplify right side
    169,853.40x = 23,880,108,600.62
  5. Step 5: Solve for x
    x = 23,880,108,600.62/169,853.40
  6. Step 6: Final answer
    x = 140,592.47

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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.