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Finding the Fourth Proportional to 242,467.28, 363,700.95 and 73,988.49

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Solution

The fourth proportional to 242,467.28, 363,700.95 and 73,988.49 is: 110,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,467.28 : 363,700.95 = 73,988.49 : x
  2. Step 2: Convert to fraction form
    242,467.28/363,700.95 = 73,988.49/x
  3. Step 3: Cross multiply
    242,467.28x = 363,700.95 × 73,988.49
  4. Step 4: Simplify right side
    242,467.28x = 26,909,683,246.72
  5. Step 5: Solve for x
    x = 26,909,683,246.72/242,467.28
  6. Step 6: Final answer
    x = 110,982.74

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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.