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Finding the Fourth Proportional to 235,361.52, 324,799.29 and 127,931.28

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Solution

The fourth proportional to 235,361.52, 324,799.29 and 127,931.28 is: 176,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,361.52 : 324,799.29 = 127,931.28 : x
  2. Step 2: Convert to fraction form
    235,361.52/324,799.29 = 127,931.28/x
  3. Step 3: Cross multiply
    235,361.52x = 324,799.29 × 127,931.28
  4. Step 4: Simplify right side
    235,361.52x = 41,551,988,912.79
  5. Step 5: Solve for x
    x = 41,551,988,912.79/235,361.52
  6. Step 6: Final answer
    x = 176,545.38

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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.