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Finding the Fourth Proportional to 198,031.34, 296,928.34 and 63,037.10

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Solution

The fourth proportional to 198,031.34, 296,928.34 and 63,037.10 is: 94,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,031.34 : 296,928.34 = 63,037.10 : x
  2. Step 2: Convert to fraction form
    198,031.34/296,928.34 = 63,037.10/x
  3. Step 3: Cross multiply
    198,031.34x = 296,928.34 × 63,037.10
  4. Step 4: Simplify right side
    198,031.34x = 18,717,501,461.41
  5. Step 5: Solve for x
    x = 18,717,501,461.41/198,031.34
  6. Step 6: Final answer
    x = 94,517.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.