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Finding the Fourth Proportional to 185,851.98, 256,476.96 and 100,969.02

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Solution

The fourth proportional to 185,851.98, 256,476.96 and 100,969.02 is: 139,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,851.98 : 256,476.96 = 100,969.02 : x
  2. Step 2: Convert to fraction form
    185,851.98/256,476.96 = 100,969.02/x
  3. Step 3: Cross multiply
    185,851.98x = 256,476.96 × 100,969.02
  4. Step 4: Simplify right side
    185,851.98x = 25,896,227,303.78
  5. Step 5: Solve for x
    x = 25,896,227,303.78/185,851.98
  6. Step 6: Final answer
    x = 139,337.91

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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.