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Finding the Fourth Proportional to 185,884.88, 256,521.81 and 101,001.94

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Solution

The fourth proportional to 185,884.88, 256,521.81 and 101,001.94 is: 139,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,884.88 : 256,521.81 = 101,001.94 : x
  2. Step 2: Convert to fraction form
    185,884.88/256,521.81 = 101,001.94/x
  3. Step 3: Cross multiply
    185,884.88x = 256,521.81 × 101,001.94
  4. Step 4: Simplify right side
    185,884.88x = 25,909,199,915.70
  5. Step 5: Solve for x
    x = 25,909,199,915.70/185,884.88
  6. Step 6: Final answer
    x = 139,383.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.