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Finding the Fourth Proportional to 88,480.96, 132,713.34 and 56,807.80

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Solution

The fourth proportional to 88,480.96, 132,713.34 and 56,807.80 is: 85,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,480.96 : 132,713.34 = 56,807.80 : x
  2. Step 2: Convert to fraction form
    88,480.96/132,713.34 = 56,807.80/x
  3. Step 3: Cross multiply
    88,480.96x = 132,713.34 × 56,807.80
  4. Step 4: Simplify right side
    88,480.96x = 7,539,152,876.05
  5. Step 5: Solve for x
    x = 7,539,152,876.05/88,480.96
  6. Step 6: Final answer
    x = 85,206.50

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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.