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Finding the Fourth Proportional to 92,040.72, 127,015.56 and 52,296.72

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Solution

The fourth proportional to 92,040.72, 127,015.56 and 52,296.72 is: 72,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,040.72 : 127,015.56 = 52,296.72 : x
  2. Step 2: Convert to fraction form
    92,040.72/127,015.56 = 52,296.72/x
  3. Step 3: Cross multiply
    92,040.72x = 127,015.56 × 52,296.72
  4. Step 4: Simplify right side
    92,040.72x = 6,642,497,176.96
  5. Step 5: Solve for x
    x = 6,642,497,176.96/92,040.72
  6. Step 6: Final answer
    x = 72,169.11

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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.