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Finding the Fourth Proportional to 269,561.07, 371,978.33 and 148,702.59

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Solution

The fourth proportional to 269,561.07, 371,978.33 and 148,702.59 is: 205,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,561.07 : 371,978.33 = 148,702.59 : x
  2. Step 2: Convert to fraction form
    269,561.07/371,978.33 = 148,702.59/x
  3. Step 3: Cross multiply
    269,561.07x = 371,978.33 × 148,702.59
  4. Step 4: Simplify right side
    269,561.07x = 55,314,140,351.36
  5. Step 5: Solve for x
    x = 55,314,140,351.36/269,561.07
  6. Step 6: Final answer
    x = 205,200.77

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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.