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Finding the Fourth Proportional to 132,071.42, 198,107.11 and 61,950.74

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Solution

The fourth proportional to 132,071.42, 198,107.11 and 61,950.74 is: 92,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,071.42 : 198,107.11 = 61,950.74 : x
  2. Step 2: Convert to fraction form
    132,071.42/198,107.11 = 61,950.74/x
  3. Step 3: Cross multiply
    132,071.42x = 198,107.11 × 61,950.74
  4. Step 4: Simplify right side
    132,071.42x = 12,272,881,150.66
  5. Step 5: Solve for x
    x = 12,272,881,150.66/132,071.42
  6. Step 6: Final answer
    x = 92,926.09

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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.