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Finding the Fourth Proportional to 110,227.84, 152,129.85 and 79,700.06

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Solution

The fourth proportional to 110,227.84, 152,129.85 and 79,700.06 is: 109,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,227.84 : 152,129.85 = 79,700.06 : x
  2. Step 2: Convert to fraction form
    110,227.84/152,129.85 = 79,700.06/x
  3. Step 3: Cross multiply
    110,227.84x = 152,129.85 × 79,700.06
  4. Step 4: Simplify right side
    110,227.84x = 12,124,757,412.14
  5. Step 5: Solve for x
    x = 12,124,757,412.14/110,227.84
  6. Step 6: Final answer
    x = 109,997.24

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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.