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Finding the Fourth Proportional to 88,492.32, 132,754.84 and 25,309.76

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Solution

The fourth proportional to 88,492.32, 132,754.84 and 25,309.76 is: 37,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,492.32 : 132,754.84 = 25,309.76 : x
  2. Step 2: Convert to fraction form
    88,492.32/132,754.84 = 25,309.76/x
  3. Step 3: Cross multiply
    88,492.32x = 132,754.84 × 25,309.76
  4. Step 4: Simplify right side
    88,492.32x = 3,359,993,139.24
  5. Step 5: Solve for x
    x = 3,359,993,139.24/88,492.32
  6. Step 6: Final answer
    x = 37,969.32

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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.