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Finding the Fourth Proportional to 251,752.48, 347,451.60 and 151,156.96

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Solution

The fourth proportional to 251,752.48, 347,451.60 and 151,156.96 is: 208,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,752.48 : 347,451.60 = 151,156.96 : x
  2. Step 2: Convert to fraction form
    251,752.48/347,451.60 = 151,156.96/x
  3. Step 3: Cross multiply
    251,752.48x = 347,451.60 × 151,156.96
  4. Step 4: Simplify right side
    251,752.48x = 52,519,727,603.14
  5. Step 5: Solve for x
    x = 52,519,727,603.14/251,752.48
  6. Step 6: Final answer
    x = 208,616.53

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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.