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Finding the Fourth Proportional to 89,904, 134,877.88 and 29,932.32

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Solution

The fourth proportional to 89,904, 134,877.88 and 29,932.32 is: 44,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,904 : 134,877.88 = 29,932.32 : x
  2. Step 2: Convert to fraction form
    89,904/134,877.88 = 29,932.32/x
  3. Step 3: Cross multiply
    89,904x = 134,877.88 × 29,932.32
  4. Step 4: Simplify right side
    89,904x = 4,037,207,865.08
  5. Step 5: Solve for x
    x = 4,037,207,865.08/89,904
  6. Step 6: Final answer
    x = 44,905.76

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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.