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Finding the Fourth Proportional to 154,001.20, 230,886.60 and 83,959.60

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Solution

The fourth proportional to 154,001.20, 230,886.60 and 83,959.60 is: 125,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,001.20 : 230,886.60 = 83,959.60 : x
  2. Step 2: Convert to fraction form
    154,001.20/230,886.60 = 83,959.60/x
  3. Step 3: Cross multiply
    154,001.20x = 230,886.60 × 83,959.60
  4. Step 4: Simplify right side
    154,001.20x = 19,385,146,581.36
  5. Step 5: Solve for x
    x = 19,385,146,581.36/154,001.20
  6. Step 6: Final answer
    x = 125,876.59

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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.