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Finding the Fourth Proportional to 91,656.32, 126,474.48 and 55,833.32

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Solution

The fourth proportional to 91,656.32, 126,474.48 and 55,833.32 is: 77,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,656.32 : 126,474.48 = 55,833.32 : x
  2. Step 2: Convert to fraction form
    91,656.32/126,474.48 = 55,833.32/x
  3. Step 3: Cross multiply
    91,656.32x = 126,474.48 × 55,833.32
  4. Step 4: Simplify right side
    91,656.32x = 7,061,490,113.67
  5. Step 5: Solve for x
    x = 7,061,490,113.67/91,656.32
  6. Step 6: Final answer
    x = 77,043.13

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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.