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Finding the Fourth Proportional to 202,507.76, 303,770.08 and 69,479.52

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Solution

The fourth proportional to 202,507.76, 303,770.08 and 69,479.52 is: 104,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,507.76 : 303,770.08 = 69,479.52 : x
  2. Step 2: Convert to fraction form
    202,507.76/303,770.08 = 69,479.52/x
  3. Step 3: Cross multiply
    202,507.76x = 303,770.08 × 69,479.52
  4. Step 4: Simplify right side
    202,507.76x = 21,105,799,348.76
  5. Step 5: Solve for x
    x = 21,105,799,348.76/202,507.76
  6. Step 6: Final answer
    x = 104,222.18

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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.