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Finding the Fourth Proportional to 154,156.48, 231,235.26 and 43,348.48

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Solution

The fourth proportional to 154,156.48, 231,235.26 and 43,348.48 is: 65,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,156.48 : 231,235.26 = 43,348.48 : x
  2. Step 2: Convert to fraction form
    154,156.48/231,235.26 = 43,348.48/x
  3. Step 3: Cross multiply
    154,156.48x = 231,235.26 × 43,348.48
  4. Step 4: Simplify right side
    154,156.48x = 10,023,697,043.40
  5. Step 5: Solve for x
    x = 10,023,697,043.40/154,156.48
  6. Step 6: Final answer
    x = 65,022.87

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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.