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Finding the Fourth Proportional to 132,291.23, 199,319.39 and 119,655.56

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Solution

The fourth proportional to 132,291.23, 199,319.39 and 119,655.56 is: 180,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,291.23 : 199,319.39 = 119,655.56 : x
  2. Step 2: Convert to fraction form
    132,291.23/199,319.39 = 119,655.56/x
  3. Step 3: Cross multiply
    132,291.23x = 199,319.39 × 119,655.56
  4. Step 4: Simplify right side
    132,291.23x = 23,849,673,229.31
  5. Step 5: Solve for x
    x = 23,849,673,229.31/132,291.23
  6. Step 6: Final answer
    x = 180,281.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.