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Finding the Fourth Proportional to 251,652.59, 347,294.96 and 144,240.51

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Solution

The fourth proportional to 251,652.59, 347,294.96 and 144,240.51 is: 199,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,652.59 : 347,294.96 = 144,240.51 : x
  2. Step 2: Convert to fraction form
    251,652.59/347,294.96 = 144,240.51/x
  3. Step 3: Cross multiply
    251,652.59x = 347,294.96 × 144,240.51
  4. Step 4: Simplify right side
    251,652.59x = 50,094,003,272.89
  5. Step 5: Solve for x
    x = 50,094,003,272.89/251,652.59
  6. Step 6: Final answer
    x = 199,060.15

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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.