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Finding the Fourth Proportional to 269,755.75, 372,262.95 and 148,897.07

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Solution

The fourth proportional to 269,755.75, 372,262.95 and 148,897.07 is: 205,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,755.75 : 372,262.95 = 148,897.07 : x
  2. Step 2: Convert to fraction form
    269,755.75/372,262.95 = 148,897.07/x
  3. Step 3: Cross multiply
    269,755.75x = 372,262.95 × 148,897.07
  4. Step 4: Simplify right side
    269,755.75x = 55,428,861,710.19
  5. Step 5: Solve for x
    x = 55,428,861,710.19/269,755.75
  6. Step 6: Final answer
    x = 205,477.96

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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.