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Finding the Fourth Proportional to 183,920.52, 253,825.02 and 103,351.80

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Solution

The fourth proportional to 183,920.52, 253,825.02 and 103,351.80 is: 142,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,920.52 : 253,825.02 = 103,351.80 : x
  2. Step 2: Convert to fraction form
    183,920.52/253,825.02 = 103,351.80/x
  3. Step 3: Cross multiply
    183,920.52x = 253,825.02 × 103,351.80
  4. Step 4: Simplify right side
    183,920.52x = 26,233,272,702.04
  5. Step 5: Solve for x
    x = 26,233,272,702.04/183,920.52
  6. Step 6: Final answer
    x = 142,633.75

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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.