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Finding the Fourth Proportional to 144,625.43, 199,583.07 and 88,036.80

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Solution

The fourth proportional to 144,625.43, 199,583.07 and 88,036.80 is: 121,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625.43 : 199,583.07 = 88,036.80 : x
  2. Step 2: Convert to fraction form
    144,625.43/199,583.07 = 88,036.80/x
  3. Step 3: Cross multiply
    144,625.43x = 199,583.07 × 88,036.80
  4. Step 4: Simplify right side
    144,625.43x = 17,570,654,816.98
  5. Step 5: Solve for x
    x = 17,570,654,816.98/144,625.43
  6. Step 6: Final answer
    x = 121,490.77

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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.