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Finding the Fourth Proportional to 220,063.80, 330,098.13 and 70,302.90

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Solution

The fourth proportional to 220,063.80, 330,098.13 and 70,302.90 is: 105,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,063.80 : 330,098.13 = 70,302.90 : x
  2. Step 2: Convert to fraction form
    220,063.80/330,098.13 = 70,302.90/x
  3. Step 3: Cross multiply
    220,063.80x = 330,098.13 × 70,302.90
  4. Step 4: Simplify right side
    220,063.80x = 23,206,855,823.58
  5. Step 5: Solve for x
    x = 23,206,855,823.58/220,063.80
  6. Step 6: Final answer
    x = 105,455.13

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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.