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Finding the Fourth Proportional to 242,532.72, 363,677.08 and 141,363.28

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Solution

The fourth proportional to 242,532.72, 363,677.08 and 141,363.28 is: 211,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,532.72 : 363,677.08 = 141,363.28 : x
  2. Step 2: Convert to fraction form
    242,532.72/363,677.08 = 141,363.28/x
  3. Step 3: Cross multiply
    242,532.72x = 363,677.08 × 141,363.28
  4. Step 4: Simplify right side
    242,532.72x = 51,410,584,889.62
  5. Step 5: Solve for x
    x = 51,410,584,889.62/242,532.72
  6. Step 6: Final answer
    x = 211,973.81

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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.