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Finding the Fourth Proportional to 123,809.36, 171,011.52 and 95,473.13

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Solution

The fourth proportional to 123,809.36, 171,011.52 and 95,473.13 is: 131,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,809.36 : 171,011.52 = 95,473.13 : x
  2. Step 2: Convert to fraction form
    123,809.36/171,011.52 = 95,473.13/x
  3. Step 3: Cross multiply
    123,809.36x = 171,011.52 × 95,473.13
  4. Step 4: Simplify right side
    123,809.36x = 16,327,005,080.46
  5. Step 5: Solve for x
    x = 16,327,005,080.46/123,809.36
  6. Step 6: Final answer
    x = 131,872.14

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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.