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Finding the Fourth Proportional to 185,872.76, 256,517.06 and 105,300.92

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Solution

The fourth proportional to 185,872.76, 256,517.06 and 105,300.92 is: 145,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,872.76 : 256,517.06 = 105,300.92 : x
  2. Step 2: Convert to fraction form
    185,872.76/256,517.06 = 105,300.92/x
  3. Step 3: Cross multiply
    185,872.76x = 256,517.06 × 105,300.92
  4. Step 4: Simplify right side
    185,872.76x = 27,011,482,413.70
  5. Step 5: Solve for x
    x = 27,011,482,413.70/185,872.76
  6. Step 6: Final answer
    x = 145,322.44

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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.