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Finding the Fourth Proportional to 251,752.89, 347,408.75 and 144,248.16

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Solution

The fourth proportional to 251,752.89, 347,408.75 and 144,248.16 is: 199,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,752.89 : 347,408.75 = 144,248.16 : x
  2. Step 2: Convert to fraction form
    251,752.89/347,408.75 = 144,248.16/x
  3. Step 3: Cross multiply
    251,752.89x = 347,408.75 × 144,248.16
  4. Step 4: Simplify right side
    251,752.89x = 50,113,072,234.16
  5. Step 5: Solve for x
    x = 50,113,072,234.16/251,752.89
  6. Step 6: Final answer
    x = 199,056.59

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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.