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Finding the Fourth Proportional to 242,274.88, 363,409.02 and 84,502.72

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Solution

The fourth proportional to 242,274.88, 363,409.02 and 84,502.72 is: 126,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,274.88 : 363,409.02 = 84,502.72 : x
  2. Step 2: Convert to fraction form
    242,274.88/363,409.02 = 84,502.72/x
  3. Step 3: Cross multiply
    242,274.88x = 363,409.02 × 84,502.72
  4. Step 4: Simplify right side
    242,274.88x = 30,709,050,662.53
  5. Step 5: Solve for x
    x = 30,709,050,662.53/242,274.88
  6. Step 6: Final answer
    x = 126,752.93

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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.