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Finding the Fourth Proportional to 194,691.60, 292,037.40 and 105,899.40

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Solution

The fourth proportional to 194,691.60, 292,037.40 and 105,899.40 is: 158,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,691.60 : 292,037.40 = 105,899.40 : x
  2. Step 2: Convert to fraction form
    194,691.60/292,037.40 = 105,899.40/x
  3. Step 3: Cross multiply
    194,691.60x = 292,037.40 × 105,899.40
  4. Step 4: Simplify right side
    194,691.60x = 30,926,585,437.56
  5. Step 5: Solve for x
    x = 30,926,585,437.56/194,691.60
  6. Step 6: Final answer
    x = 158,849.10

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1.5x scale

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.