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Finding the Fourth Proportional to 194,671.55, 292,005.61 and 61,551.90

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Solution

The fourth proportional to 194,671.55, 292,005.61 and 61,551.90 is: 92,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,671.55 : 292,005.61 = 61,551.90 : x
  2. Step 2: Convert to fraction form
    194,671.55/292,005.61 = 61,551.90/x
  3. Step 3: Cross multiply
    194,671.55x = 292,005.61 × 61,551.90
  4. Step 4: Simplify right side
    194,671.55x = 17,973,499,952.28
  5. Step 5: Solve for x
    x = 17,973,499,952.28/194,671.55
  6. Step 6: Final answer
    x = 92,327.31

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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.