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Finding the Fourth Proportional to 88,595.40, 132,869.28 and 60,510.60

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Solution

The fourth proportional to 88,595.40, 132,869.28 and 60,510.60 is: 90,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.40 : 132,869.28 = 60,510.60 : x
  2. Step 2: Convert to fraction form
    88,595.40/132,869.28 = 60,510.60/x
  3. Step 3: Cross multiply
    88,595.40x = 132,869.28 × 60,510.60
  4. Step 4: Simplify right side
    88,595.40x = 8,039,999,854.37
  5. Step 5: Solve for x
    x = 8,039,999,854.37/88,595.40
  6. Step 6: Final answer
    x = 90,749.63

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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.