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Finding the Fourth Proportional to 92,144.72, 127,158.92 and 52,400.72

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Solution

The fourth proportional to 92,144.72, 127,158.92 and 52,400.72 is: 72,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.72 : 127,158.92 = 52,400.72 : x
  2. Step 2: Convert to fraction form
    92,144.72/127,158.92 = 52,400.72/x
  3. Step 3: Cross multiply
    92,144.72x = 127,158.92 × 52,400.72
  4. Step 4: Simplify right side
    92,144.72x = 6,663,218,962.42
  5. Step 5: Solve for x
    x = 6,663,218,962.42/92,144.72
  6. Step 6: Final answer
    x = 72,312.54

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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.