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Finding the Fourth Proportional to 144,473.25, 199,373.09 and 94,172.25

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Solution

The fourth proportional to 144,473.25, 199,373.09 and 94,172.25 is: 129,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,473.25 : 199,373.09 = 94,172.25 : x
  2. Step 2: Convert to fraction form
    144,473.25/199,373.09 = 94,172.25/x
  3. Step 3: Cross multiply
    144,473.25x = 199,373.09 × 94,172.25
  4. Step 4: Simplify right side
    144,473.25x = 18,775,412,003.89
  5. Step 5: Solve for x
    x = 18,775,412,003.89/144,473.25
  6. Step 6: Final answer
    x = 129,957.71

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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.