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Finding the Fourth Proportional to 114,311.20, 171,639.60 and 88,045.60

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Solution

The fourth proportional to 114,311.20, 171,639.60 and 88,045.60 is: 132,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,311.20 : 171,639.60 = 88,045.60 : x
  2. Step 2: Convert to fraction form
    114,311.20/171,639.60 = 88,045.60/x
  3. Step 3: Cross multiply
    114,311.20x = 171,639.60 × 88,045.60
  4. Step 4: Simplify right side
    114,311.20x = 15,112,111,565.76
  5. Step 5: Solve for x
    x = 15,112,111,565.76/114,311.20
  6. Step 6: Final answer
    x = 132,201.50

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1.5x scale

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.