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Finding the Fourth Proportional to 88,856.40, 133,025.40 and 79,525.20

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Solution

The fourth proportional to 88,856.40, 133,025.40 and 79,525.20 is: 119,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,856.40 : 133,025.40 = 79,525.20 : x
  2. Step 2: Convert to fraction form
    88,856.40/133,025.40 = 79,525.20/x
  3. Step 3: Cross multiply
    88,856.40x = 133,025.40 × 79,525.20
  4. Step 4: Simplify right side
    88,856.40x = 10,578,871,540.08
  5. Step 5: Solve for x
    x = 10,578,871,540.08/88,856.40
  6. Step 6: Final answer
    x = 119,055.82

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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.