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Finding the Fourth Proportional to 251,647.67, 347,283.36 and 144,238.43

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Solution

The fourth proportional to 251,647.67, 347,283.36 and 144,238.43 is: 199,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,647.67 : 347,283.36 = 144,238.43 : x
  2. Step 2: Convert to fraction form
    251,647.67/347,283.36 = 144,238.43/x
  3. Step 3: Cross multiply
    251,647.67x = 347,283.36 × 144,238.43
  4. Step 4: Simplify right side
    251,647.67x = 50,091,604,875.11
  5. Step 5: Solve for x
    x = 50,091,604,875.11/251,647.67
  6. Step 6: Final answer
    x = 199,054.52

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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.