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Finding the Fourth Proportional to 194,881.39, 292,330.28 and 61,766.91

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Solution

The fourth proportional to 194,881.39, 292,330.28 and 61,766.91 is: 92,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,881.39 : 292,330.28 = 61,766.91 : x
  2. Step 2: Convert to fraction form
    194,881.39/292,330.28 = 61,766.91/x
  3. Step 3: Cross multiply
    194,881.39x = 292,330.28 × 61,766.91
  4. Step 4: Simplify right side
    194,881.39x = 18,056,338,249.45
  5. Step 5: Solve for x
    x = 18,056,338,249.45/194,881.39
  6. Step 6: Final answer
    x = 92,652.96

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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.