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Finding the Fourth Proportional to 157,994.60, 218,035.14 and 94,337.96

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Solution

The fourth proportional to 157,994.60, 218,035.14 and 94,337.96 is: 130,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,994.60 : 218,035.14 = 94,337.96 : x
  2. Step 2: Convert to fraction form
    157,994.60/218,035.14 = 94,337.96/x
  3. Step 3: Cross multiply
    157,994.60x = 218,035.14 × 94,337.96
  4. Step 4: Simplify right side
    157,994.60x = 20,568,990,315.91
  5. Step 5: Solve for x
    x = 20,568,990,315.91/157,994.60
  6. Step 6: Final answer
    x = 130,187.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.