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Finding the Fourth Proportional to 223,684.44, 308,785.29 and 147,243.66

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Solution

The fourth proportional to 223,684.44, 308,785.29 and 147,243.66 is: 203,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,684.44 : 308,785.29 = 147,243.66 : x
  2. Step 2: Convert to fraction form
    223,684.44/308,785.29 = 147,243.66/x
  3. Step 3: Cross multiply
    223,684.44x = 308,785.29 × 147,243.66
  4. Step 4: Simplify right side
    223,684.44x = 45,466,676,253.76
  5. Step 5: Solve for x
    x = 45,466,676,253.76/223,684.44
  6. Step 6: Final answer
    x = 203,262.58

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1.5x scale

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.