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Finding the Fourth Proportional to 88,726.30, 133,040.85 and 36,076.30

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Solution

The fourth proportional to 88,726.30, 133,040.85 and 36,076.30 is: 54,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,726.30 : 133,040.85 = 36,076.30 : x
  2. Step 2: Convert to fraction form
    88,726.30/133,040.85 = 36,076.30/x
  3. Step 3: Cross multiply
    88,726.30x = 133,040.85 × 36,076.30
  4. Step 4: Simplify right side
    88,726.30x = 4,799,621,616.86
  5. Step 5: Solve for x
    x = 4,799,621,616.86/88,726.30
  6. Step 6: Final answer
    x = 54,094.69

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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.