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Finding the Fourth Proportional to 185,417.51, 277,961.22 and 67,062.47

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Solution

The fourth proportional to 185,417.51, 277,961.22 and 67,062.47 is: 100,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,417.51 : 277,961.22 = 67,062.47 : x
  2. Step 2: Convert to fraction form
    185,417.51/277,961.22 = 67,062.47/x
  3. Step 3: Cross multiply
    185,417.51x = 277,961.22 × 67,062.47
  4. Step 4: Simplify right side
    185,417.51x = 18,640,764,587.61
  5. Step 5: Solve for x
    x = 18,640,764,587.61/185,417.51
  6. Step 6: Final answer
    x = 100,534.01

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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.