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Finding the Fourth Proportional to 150,866.90, 208,195.52 and 81,955.82

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Solution

The fourth proportional to 150,866.90, 208,195.52 and 81,955.82 is: 113,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,866.90 : 208,195.52 = 81,955.82 : x
  2. Step 2: Convert to fraction form
    150,866.90/208,195.52 = 81,955.82/x
  3. Step 3: Cross multiply
    150,866.90x = 208,195.52 × 81,955.82
  4. Step 4: Simplify right side
    150,866.90x = 17,062,834,672.64
  5. Step 5: Solve for x
    x = 17,062,834,672.64/150,866.90
  6. Step 6: Final answer
    x = 113,098.60

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1.5x scale

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.