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Finding the Fourth Proportional to 169,361.28, 233,727.12 and 97,763.76

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Solution

The fourth proportional to 169,361.28, 233,727.12 and 97,763.76 is: 134,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,361.28 : 233,727.12 = 97,763.76 : x
  2. Step 2: Convert to fraction form
    169,361.28/233,727.12 = 97,763.76/x
  3. Step 3: Cross multiply
    169,361.28x = 233,727.12 × 97,763.76
  4. Step 4: Simplify right side
    169,361.28x = 22,850,042,065.17
  5. Step 5: Solve for x
    x = 22,850,042,065.17/169,361.28
  6. Step 6: Final answer
    x = 134,918.93

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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.