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Finding the Fourth Proportional to 132,992.39, 199,486.64 and 61,875.24

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Solution

The fourth proportional to 132,992.39, 199,486.64 and 61,875.24 is: 92,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,992.39 : 199,486.64 = 61,875.24 : x
  2. Step 2: Convert to fraction form
    132,992.39/199,486.64 = 61,875.24/x
  3. Step 3: Cross multiply
    132,992.39x = 199,486.64 × 61,875.24
  4. Step 4: Simplify right side
    132,992.39x = 12,343,283,417.42
  5. Step 5: Solve for x
    x = 12,343,283,417.42/132,992.39
  6. Step 6: Final answer
    x = 92,811.96

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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.