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Finding the Fourth Proportional to 267,999.48, 369,822.71 and 147,140.09

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Solution

The fourth proportional to 267,999.48, 369,822.71 and 147,140.09 is: 203,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,999.48 : 369,822.71 = 147,140.09 : x
  2. Step 2: Convert to fraction form
    267,999.48/369,822.71 = 147,140.09/x
  3. Step 3: Cross multiply
    267,999.48x = 369,822.71 × 147,140.09
  4. Step 4: Simplify right side
    267,999.48x = 54,415,744,248.63
  5. Step 5: Solve for x
    x = 54,415,744,248.63/267,999.48
  6. Step 6: Final answer
    x = 203,044.22

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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.