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Finding the Fourth Proportional to 167,663.64, 231,362.10 and 98,742.18

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Solution

The fourth proportional to 167,663.64, 231,362.10 and 98,742.18 is: 136,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,663.64 : 231,362.10 = 98,742.18 : x
  2. Step 2: Convert to fraction form
    167,663.64/231,362.10 = 98,742.18/x
  3. Step 3: Cross multiply
    167,663.64x = 231,362.10 × 98,742.18
  4. Step 4: Simplify right side
    167,663.64x = 22,845,198,123.38
  5. Step 5: Solve for x
    x = 22,845,198,123.38/167,663.64
  6. Step 6: Final answer
    x = 136,256.13

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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.