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Finding the Fourth Proportional to 113,441.80, 169,989.90 and 95,816.20

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Solution

The fourth proportional to 113,441.80, 169,989.90 and 95,816.20 is: 143,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,441.80 : 169,989.90 = 95,816.20 : x
  2. Step 2: Convert to fraction form
    113,441.80/169,989.90 = 95,816.20/x
  3. Step 3: Cross multiply
    113,441.80x = 169,989.90 × 95,816.20
  4. Step 4: Simplify right side
    113,441.80x = 16,287,786,256.38
  5. Step 5: Solve for x
    x = 16,287,786,256.38/113,441.80
  6. Step 6: Final answer
    x = 143,578.35

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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.