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Finding the Fourth Proportional to 185,015.60, 277,231.80 and 155,272.40

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Solution

The fourth proportional to 185,015.60, 277,231.80 and 155,272.40 is: 232,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.60 : 277,231.80 = 155,272.40 : x
  2. Step 2: Convert to fraction form
    185,015.60/277,231.80 = 155,272.40/x
  3. Step 3: Cross multiply
    185,015.60x = 277,231.80 × 155,272.40
  4. Step 4: Simplify right side
    185,015.60x = 43,046,446,942.32
  5. Step 5: Solve for x
    x = 43,046,446,942.32/185,015.60
  6. Step 6: Final answer
    x = 232,663.88

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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.