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Finding the Fourth Proportional to 88,076.40, 132,017.40 and 48,661.80

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Solution

The fourth proportional to 88,076.40, 132,017.40 and 48,661.80 is: 72,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,076.40 : 132,017.40 = 48,661.80 : x
  2. Step 2: Convert to fraction form
    88,076.40/132,017.40 = 48,661.80/x
  3. Step 3: Cross multiply
    88,076.40x = 132,017.40 × 48,661.80
  4. Step 4: Simplify right side
    88,076.40x = 6,424,204,315.32
  5. Step 5: Solve for x
    x = 6,424,204,315.32/88,076.40
  6. Step 6: Final answer
    x = 72,939.00

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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.