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Finding the Fourth Proportional to 185,071.80, 277,218.90 and 101,868.60

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Solution

The fourth proportional to 185,071.80, 277,218.90 and 101,868.60 is: 152,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,071.80 : 277,218.90 = 101,868.60 : x
  2. Step 2: Convert to fraction form
    185,071.80/277,218.90 = 101,868.60/x
  3. Step 3: Cross multiply
    185,071.80x = 277,218.90 × 101,868.60
  4. Step 4: Simplify right side
    185,071.80x = 28,239,901,236.54
  5. Step 5: Solve for x
    x = 28,239,901,236.54/185,071.80
  6. Step 6: Final answer
    x = 152,588.89

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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.