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Finding the Fourth Proportional to 88,015.70, 132,023.55 and 53,023.70

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Solution

The fourth proportional to 88,015.70, 132,023.55 and 53,023.70 is: 79,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,015.70 : 132,023.55 = 53,023.70 : x
  2. Step 2: Convert to fraction form
    88,015.70/132,023.55 = 53,023.70/x
  3. Step 3: Cross multiply
    88,015.70x = 132,023.55 × 53,023.70
  4. Step 4: Simplify right side
    88,015.70x = 7,000,377,108.14
  5. Step 5: Solve for x
    x = 7,000,377,108.14/88,015.70
  6. Step 6: Final answer
    x = 79,535.55

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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.