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Finding the Fourth Proportional to 132,888.88, 199,228.68 and 66,294.76

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Solution

The fourth proportional to 132,888.88, 199,228.68 and 66,294.76 is: 99,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,888.88 : 199,228.68 = 66,294.76 : x
  2. Step 2: Convert to fraction form
    132,888.88/199,228.68 = 66,294.76/x
  3. Step 3: Cross multiply
    132,888.88x = 199,228.68 × 66,294.76
  4. Step 4: Simplify right side
    132,888.88x = 13,207,817,525.72
  5. Step 5: Solve for x
    x = 13,207,817,525.72/132,888.88
  6. Step 6: Final answer
    x = 99,389.94

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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.