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Finding the Fourth Proportional to 132,871.10, 199,306.65 and 97,879.10

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Solution

The fourth proportional to 132,871.10, 199,306.65 and 97,879.10 is: 146,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.10 : 199,306.65 = 97,879.10 : x
  2. Step 2: Convert to fraction form
    132,871.10/199,306.65 = 97,879.10/x
  3. Step 3: Cross multiply
    132,871.10x = 199,306.65 × 97,879.10
  4. Step 4: Simplify right side
    132,871.10x = 19,507,955,526.02
  5. Step 5: Solve for x
    x = 19,507,955,526.02/132,871.10
  6. Step 6: Final answer
    x = 146,818.65

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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.