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Finding the Fourth Proportional to 242,108.87, 363,160.35 and 108,895.05

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Solution

The fourth proportional to 242,108.87, 363,160.35 and 108,895.05 is: 163,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,108.87 : 363,160.35 = 108,895.05 : x
  2. Step 2: Convert to fraction form
    242,108.87/363,160.35 = 108,895.05/x
  3. Step 3: Cross multiply
    242,108.87x = 363,160.35 × 108,895.05
  4. Step 4: Simplify right side
    242,108.87x = 39,546,364,471.27
  5. Step 5: Solve for x
    x = 39,546,364,471.27/242,108.87
  6. Step 6: Final answer
    x = 163,341.25

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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.