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Finding the Fourth Proportional to 220,700.16, 330,907.80 and 94,422.80

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Solution

The fourth proportional to 220,700.16, 330,907.80 and 94,422.80 is: 141,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,700.16 : 330,907.80 = 94,422.80 : x
  2. Step 2: Convert to fraction form
    220,700.16/330,907.80 = 94,422.80/x
  3. Step 3: Cross multiply
    220,700.16x = 330,907.80 × 94,422.80
  4. Step 4: Simplify right side
    220,700.16x = 31,245,241,017.84
  5. Step 5: Solve for x
    x = 31,245,241,017.84/220,700.16
  6. Step 6: Final answer
    x = 141,573.26

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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.