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Finding the Fourth Proportional to 151,357.40, 227,036.10 and 135,027.80

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Solution

The fourth proportional to 151,357.40, 227,036.10 and 135,027.80 is: 202,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,357.40 : 227,036.10 = 135,027.80 : x
  2. Step 2: Convert to fraction form
    151,357.40/227,036.10 = 135,027.80/x
  3. Step 3: Cross multiply
    151,357.40x = 227,036.10 × 135,027.80
  4. Step 4: Simplify right side
    151,357.40x = 30,656,185,103.58
  5. Step 5: Solve for x
    x = 30,656,185,103.58/151,357.40
  6. Step 6: Final answer
    x = 202,541.70

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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.