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Finding the Fourth Proportional to 66,833.72, 100,407.37 and 63,050.82

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Solution

The fourth proportional to 66,833.72, 100,407.37 and 63,050.82 is: 94,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,833.72 : 100,407.37 = 63,050.82 : x
  2. Step 2: Convert to fraction form
    66,833.72/100,407.37 = 63,050.82/x
  3. Step 3: Cross multiply
    66,833.72x = 100,407.37 × 63,050.82
  4. Step 4: Simplify right side
    66,833.72x = 6,330,766,822.80
  5. Step 5: Solve for x
    x = 6,330,766,822.80/66,833.72
  6. Step 6: Final answer
    x = 94,724.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.