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Finding the Fourth Proportional to 92,648.01, 127,851.42 and 54,406.98

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Solution

The fourth proportional to 92,648.01, 127,851.42 and 54,406.98 is: 75,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,648.01 : 127,851.42 = 54,406.98 : x
  2. Step 2: Convert to fraction form
    92,648.01/127,851.42 = 54,406.98/x
  3. Step 3: Cross multiply
    92,648.01x = 127,851.42 × 54,406.98
  4. Step 4: Simplify right side
    92,648.01x = 6,956,009,650.91
  5. Step 5: Solve for x
    x = 6,956,009,650.91/92,648.01
  6. Step 6: Final answer
    x = 75,079.97

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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.