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Finding the Fourth Proportional to 251,649.48, 347,277.46 and 144,225.86

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Solution

The fourth proportional to 251,649.48, 347,277.46 and 144,225.86 is: 199,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,649.48 : 347,277.46 = 144,225.86 : x
  2. Step 2: Convert to fraction form
    251,649.48/347,277.46 = 144,225.86/x
  3. Step 3: Cross multiply
    251,649.48x = 347,277.46 × 144,225.86
  4. Step 4: Simplify right side
    251,649.48x = 50,086,390,327.12
  5. Step 5: Solve for x
    x = 50,086,390,327.12/251,649.48
  6. Step 6: Final answer
    x = 199,032.36

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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.