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Finding the Fourth Proportional to 92,091.90, 137,915.91 and 52,529.07

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Solution

The fourth proportional to 92,091.90, 137,915.91 and 52,529.07 is: 78,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,091.90 : 137,915.91 = 52,529.07 : x
  2. Step 2: Convert to fraction form
    92,091.90/137,915.91 = 52,529.07/x
  3. Step 3: Cross multiply
    92,091.90x = 137,915.91 × 52,529.07
  4. Step 4: Simplify right side
    92,091.90x = 7,244,594,490.50
  5. Step 5: Solve for x
    x = 7,244,594,490.50/92,091.90
  6. Step 6: Final answer
    x = 78,667.01

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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.