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Finding the Fourth Proportional to 220,306.13, 330,476.70 and 93,947.45

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Solution

The fourth proportional to 220,306.13, 330,476.70 and 93,947.45 is: 140,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,306.13 : 330,476.70 = 93,947.45 : x
  2. Step 2: Convert to fraction form
    220,306.13/330,476.70 = 93,947.45/x
  3. Step 3: Cross multiply
    220,306.13x = 330,476.70 × 93,947.45
  4. Step 4: Simplify right side
    220,306.13x = 31,047,444,075.61
  5. Step 5: Solve for x
    x = 31,047,444,075.61/220,306.13
  6. Step 6: Final answer
    x = 140,928.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.