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Finding the Fourth Proportional to 242,415.82, 363,678.81 and 73,951.21

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Solution

The fourth proportional to 242,415.82, 363,678.81 and 73,951.21 is: 110,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,415.82 : 363,678.81 = 73,951.21 : x
  2. Step 2: Convert to fraction form
    242,415.82/363,678.81 = 73,951.21/x
  3. Step 3: Cross multiply
    242,415.82x = 363,678.81 × 73,951.21
  4. Step 4: Simplify right side
    242,415.82x = 26,894,488,050.86
  5. Step 5: Solve for x
    x = 26,894,488,050.86/242,415.82
  6. Step 6: Final answer
    x = 110,943.62

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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.