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Finding the Fourth Proportional to 182,428.09, 251,748.16 and 101,856.88

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Solution

The fourth proportional to 182,428.09, 251,748.16 and 101,856.88 is: 140,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,428.09 : 251,748.16 = 101,856.88 : x
  2. Step 2: Convert to fraction form
    182,428.09/251,748.16 = 101,856.88/x
  3. Step 3: Cross multiply
    182,428.09x = 251,748.16 × 101,856.88
  4. Step 4: Simplify right side
    182,428.09x = 25,642,282,123.34
  5. Step 5: Solve for x
    x = 25,642,282,123.34/182,428.09
  6. Step 6: Final answer
    x = 140,561.04

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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.