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Finding the Fourth Proportional to 167,267.39, 230,830.70 and 90,787.14

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Solution

The fourth proportional to 167,267.39, 230,830.70 and 90,787.14 is: 125,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,267.39 : 230,830.70 = 90,787.14 : x
  2. Step 2: Convert to fraction form
    167,267.39/230,830.70 = 90,787.14/x
  3. Step 3: Cross multiply
    167,267.39x = 230,830.70 × 90,787.14
  4. Step 4: Simplify right side
    167,267.39x = 20,956,458,623.26
  5. Step 5: Solve for x
    x = 20,956,458,623.26/167,267.39
  6. Step 6: Final answer
    x = 125,287.18

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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.