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Finding the Fourth Proportional to 269,532.73, 371,957.76 and 148,679.11

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Solution

The fourth proportional to 269,532.73, 371,957.76 and 148,679.11 is: 205,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,532.73 : 371,957.76 = 148,679.11 : x
  2. Step 2: Convert to fraction form
    269,532.73/371,957.76 = 148,679.11/x
  3. Step 3: Cross multiply
    269,532.73x = 371,957.76 × 148,679.11
  4. Step 4: Simplify right side
    269,532.73x = 55,302,346,111.21
  5. Step 5: Solve for x
    x = 55,302,346,111.21/269,532.73
  6. Step 6: Final answer
    x = 205,178.60

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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.