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Finding the Fourth Proportional to 253,991.29, 350,523.70 and 140,814.04

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Solution

The fourth proportional to 253,991.29, 350,523.70 and 140,814.04 is: 194,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,991.29 : 350,523.70 = 140,814.04 : x
  2. Step 2: Convert to fraction form
    253,991.29/350,523.70 = 140,814.04/x
  3. Step 3: Cross multiply
    253,991.29x = 350,523.70 × 140,814.04
  4. Step 4: Simplify right side
    253,991.29x = 49,358,658,312.75
  5. Step 5: Solve for x
    x = 49,358,658,312.75/253,991.29
  6. Step 6: Final answer
    x = 194,332.09

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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.