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Finding the Fourth Proportional to 167,270.34, 230,728.08 and 99,239.16

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Solution

The fourth proportional to 167,270.34, 230,728.08 and 99,239.16 is: 136,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,270.34 : 230,728.08 = 99,239.16 : x
  2. Step 2: Convert to fraction form
    167,270.34/230,728.08 = 99,239.16/x
  3. Step 3: Cross multiply
    167,270.34x = 230,728.08 × 99,239.16
  4. Step 4: Simplify right side
    167,270.34x = 22,897,260,847.61
  5. Step 5: Solve for x
    x = 22,897,260,847.61/167,270.34
  6. Step 6: Final answer
    x = 136,887.75

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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.