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Finding the Fourth Proportional to 230,078.62, 317,426.34 and 133,229.62

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Solution

The fourth proportional to 230,078.62, 317,426.34 and 133,229.62 is: 183,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,078.62 : 317,426.34 = 133,229.62 : x
  2. Step 2: Convert to fraction form
    230,078.62/317,426.34 = 133,229.62/x
  3. Step 3: Cross multiply
    230,078.62x = 317,426.34 × 133,229.62
  4. Step 4: Simplify right side
    230,078.62x = 42,290,590,656.19
  5. Step 5: Solve for x
    x = 42,290,590,656.19/230,078.62
  6. Step 6: Final answer
    x = 183,809.30

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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.