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Finding the Fourth Proportional to 167,320.29, 230,902.29 and 90,839.40

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Solution

The fourth proportional to 167,320.29, 230,902.29 and 90,839.40 is: 125,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,320.29 : 230,902.29 = 90,839.40 : x
  2. Step 2: Convert to fraction form
    167,320.29/230,902.29 = 90,839.40/x
  3. Step 3: Cross multiply
    167,320.29x = 230,902.29 × 90,839.40
  4. Step 4: Simplify right side
    167,320.29x = 20,975,025,482.23
  5. Step 5: Solve for x
    x = 20,975,025,482.23/167,320.29
  6. Step 6: Final answer
    x = 125,358.53

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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.