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Finding the Fourth Proportional to 153,887.46, 230,912.45 and 109,197.60

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Solution

The fourth proportional to 153,887.46, 230,912.45 and 109,197.60 is: 163,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,887.46 : 230,912.45 = 109,197.60 : x
  2. Step 2: Convert to fraction form
    153,887.46/230,912.45 = 109,197.60/x
  3. Step 3: Cross multiply
    153,887.46x = 230,912.45 × 109,197.60
  4. Step 4: Simplify right side
    153,887.46x = 25,215,084,804.13
  5. Step 5: Solve for x
    x = 25,215,084,804.13/153,887.46
  6. Step 6: Final answer
    x = 163,854.06

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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.