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Finding the Fourth Proportional to 144,937.76, 199,912.93 and 140,060.75

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Solution

The fourth proportional to 144,937.76, 199,912.93 and 140,060.75 is: 193,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,937.76 : 199,912.93 = 140,060.75 : x
  2. Step 2: Convert to fraction form
    144,937.76/199,912.93 = 140,060.75/x
  3. Step 3: Cross multiply
    144,937.76x = 199,912.93 × 140,060.75
  4. Step 4: Simplify right side
    144,937.76x = 27,999,953,560.78
  5. Step 5: Solve for x
    x = 27,999,953,560.78/144,937.76
  6. Step 6: Final answer
    x = 193,186.06

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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.