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Finding the Fourth Proportional to 97,671.81, 134,787.91 and 52,959.81

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Solution

The fourth proportional to 97,671.81, 134,787.91 and 52,959.81 is: 73,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,671.81 : 134,787.91 = 52,959.81 : x
  2. Step 2: Convert to fraction form
    97,671.81/134,787.91 = 52,959.81/x
  3. Step 3: Cross multiply
    97,671.81x = 134,787.91 × 52,959.81
  4. Step 4: Simplify right side
    97,671.81x = 7,138,342,103.90
  5. Step 5: Solve for x
    x = 7,138,342,103.90/97,671.81
  6. Step 6: Final answer
    x = 73,084.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.