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Finding the Fourth Proportional to 230,116.65, 317,560.80 and 134,641.74

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Solution

The fourth proportional to 230,116.65, 317,560.80 and 134,641.74 is: 185,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,116.65 : 317,560.80 = 134,641.74 : x
  2. Step 2: Convert to fraction form
    230,116.65/317,560.80 = 134,641.74/x
  3. Step 3: Cross multiply
    230,116.65x = 317,560.80 × 134,641.74
  4. Step 4: Simplify right side
    230,116.65x = 42,756,940,363.55
  5. Step 5: Solve for x
    x = 42,756,940,363.55/230,116.65
  6. Step 6: Final answer
    x = 185,805.51

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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.