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Finding the Fourth Proportional to 242,446.60, 363,669.90 and 158,465.80

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Solution

The fourth proportional to 242,446.60, 363,669.90 and 158,465.80 is: 237,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,446.60 : 363,669.90 = 158,465.80 : x
  2. Step 2: Convert to fraction form
    242,446.60/363,669.90 = 158,465.80/x
  3. Step 3: Cross multiply
    242,446.60x = 363,669.90 × 158,465.80
  4. Step 4: Simplify right side
    242,446.60x = 57,629,241,639.42
  5. Step 5: Solve for x
    x = 57,629,241,639.42/242,446.60
  6. Step 6: Final answer
    x = 237,698.70

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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.