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Finding the Fourth Proportional to 269,454.97, 371,842.95 and 148,607.47

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Solution

The fourth proportional to 269,454.97, 371,842.95 and 148,607.47 is: 205,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,454.97 : 371,842.95 = 148,607.47 : x
  2. Step 2: Convert to fraction form
    269,454.97/371,842.95 = 148,607.47/x
  3. Step 3: Cross multiply
    269,454.97x = 371,842.95 × 148,607.47
  4. Step 4: Simplify right side
    269,454.97x = 55,258,640,036.84
  5. Step 5: Solve for x
    x = 55,258,640,036.84/269,454.97
  6. Step 6: Final answer
    x = 205,075.60

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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.