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Finding the Fourth Proportional to 154,994.71, 232,275.53 and 83,763.78

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Solution

The fourth proportional to 154,994.71, 232,275.53 and 83,763.78 is: 125,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,994.71 : 232,275.53 = 83,763.78 : x
  2. Step 2: Convert to fraction form
    154,994.71/232,275.53 = 83,763.78/x
  3. Step 3: Cross multiply
    154,994.71x = 232,275.53 × 83,763.78
  4. Step 4: Simplify right side
    154,994.71x = 19,456,275,394.80
  5. Step 5: Solve for x
    x = 19,456,275,394.80/154,994.71
  6. Step 6: Final answer
    x = 125,528.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.