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Finding the Fourth Proportional to 213,373.44, 294,447.96 and 117,885.78

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Solution

The fourth proportional to 213,373.44, 294,447.96 and 117,885.78 is: 162,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,373.44 : 294,447.96 = 117,885.78 : x
  2. Step 2: Convert to fraction form
    213,373.44/294,447.96 = 117,885.78/x
  3. Step 3: Cross multiply
    213,373.44x = 294,447.96 × 117,885.78
  4. Step 4: Simplify right side
    213,373.44x = 34,711,227,434.01
  5. Step 5: Solve for x
    x = 34,711,227,434.01/213,373.44
  6. Step 6: Final answer
    x = 162,678.30

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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.