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Finding the Fourth Proportional to 169,419.16, 233,801.56 and 92,942.16

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Solution

The fourth proportional to 169,419.16, 233,801.56 and 92,942.16 is: 128,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,419.16 : 233,801.56 = 92,942.16 : x
  2. Step 2: Convert to fraction form
    169,419.16/233,801.56 = 92,942.16/x
  3. Step 3: Cross multiply
    169,419.16x = 233,801.56 × 92,942.16
  4. Step 4: Simplify right side
    169,419.16x = 21,730,021,997.77
  5. Step 5: Solve for x
    x = 21,730,021,997.77/169,419.16
  6. Step 6: Final answer
    x = 128,261.89

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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.