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Finding the Fourth Proportional to 114,605.64, 158,315.24 and 109,000.64

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Solution

The fourth proportional to 114,605.64, 158,315.24 and 109,000.64 is: 150,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,605.64 : 158,315.24 = 109,000.64 : x
  2. Step 2: Convert to fraction form
    114,605.64/158,315.24 = 109,000.64/x
  3. Step 3: Cross multiply
    114,605.64x = 158,315.24 × 109,000.64
  4. Step 4: Simplify right side
    114,605.64x = 17,256,462,481.75
  5. Step 5: Solve for x
    x = 17,256,462,481.75/114,605.64
  6. Step 6: Final answer
    x = 150,572.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.