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Finding the Fourth Proportional to 202,291.46, 279,267.19 and 147,782.46

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Solution

The fourth proportional to 202,291.46, 279,267.19 and 147,782.46 is: 204,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,291.46 : 279,267.19 = 147,782.46 : x
  2. Step 2: Convert to fraction form
    202,291.46/279,267.19 = 147,782.46/x
  3. Step 3: Cross multiply
    202,291.46x = 279,267.19 × 147,782.46
  4. Step 4: Simplify right side
    202,291.46x = 41,270,791,966.03
  5. Step 5: Solve for x
    x = 41,270,791,966.03/202,291.46
  6. Step 6: Final answer
    x = 204,016.49

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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.