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Finding the Fourth Proportional to 140,893.04, 194,432.04 and 84,304.40

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Solution

The fourth proportional to 140,893.04, 194,432.04 and 84,304.40 is: 116,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,893.04 : 194,432.04 = 84,304.40 : x
  2. Step 2: Convert to fraction form
    140,893.04/194,432.04 = 84,304.40/x
  3. Step 3: Cross multiply
    140,893.04x = 194,432.04 × 84,304.40
  4. Step 4: Simplify right side
    140,893.04x = 16,391,476,472.98
  5. Step 5: Solve for x
    x = 16,391,476,472.98/140,893.04
  6. Step 6: Final answer
    x = 116,339.86

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1.5x scale

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.