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Finding the Fourth Proportional to 92,342.08, 127,416 and 54,602.56

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Solution

The fourth proportional to 92,342.08, 127,416 and 54,602.56 is: 75,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,342.08 : 127,416 = 54,602.56 : x
  2. Step 2: Convert to fraction form
    92,342.08/127,416 = 54,602.56/x
  3. Step 3: Cross multiply
    92,342.08x = 127,416 × 54,602.56
  4. Step 4: Simplify right side
    92,342.08x = 6,957,239,784.96
  5. Step 5: Solve for x
    x = 6,957,239,784.96/92,342.08
  6. Step 6: Final answer
    x = 75,342.03

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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.