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Finding the Fourth Proportional to 254,112.84, 350,666.82 and 140,946.12

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Solution

The fourth proportional to 254,112.84, 350,666.82 and 140,946.12 is: 194,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,112.84 : 350,666.82 = 140,946.12 : x
  2. Step 2: Convert to fraction form
    254,112.84/350,666.82 = 140,946.12/x
  3. Step 3: Cross multiply
    254,112.84x = 350,666.82 × 140,946.12
  4. Step 4: Simplify right side
    254,112.84x = 49,425,127,691.74
  5. Step 5: Solve for x
    x = 49,425,127,691.74/254,112.84
  6. Step 6: Final answer
    x = 194,500.71

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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.