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Finding the Fourth Proportional to 191,237.84, 263,631.56 and 126,598.76

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Solution

The fourth proportional to 191,237.84, 263,631.56 and 126,598.76 is: 174,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,237.84 : 263,631.56 = 126,598.76 : x
  2. Step 2: Convert to fraction form
    191,237.84/263,631.56 = 126,598.76/x
  3. Step 3: Cross multiply
    191,237.84x = 263,631.56 × 126,598.76
  4. Step 4: Simplify right side
    191,237.84x = 33,375,428,592.87
  5. Step 5: Solve for x
    x = 33,375,428,592.87/191,237.84
  6. Step 6: Final answer
    x = 174,523.14

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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.