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Finding the Fourth Proportional to 146,805.13, 202,591.28 and 79,737.13

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Solution

The fourth proportional to 146,805.13, 202,591.28 and 79,737.13 is: 110,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,805.13 : 202,591.28 = 79,737.13 : x
  2. Step 2: Convert to fraction form
    146,805.13/202,591.28 = 79,737.13/x
  3. Step 3: Cross multiply
    146,805.13x = 202,591.28 × 79,737.13
  4. Step 4: Simplify right side
    146,805.13x = 16,154,045,818.58
  5. Step 5: Solve for x
    x = 16,154,045,818.58/146,805.13
  6. Step 6: Final answer
    x = 110,037.34

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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.