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Finding the Fourth Proportional to 168,698.64, 232,803.90 and 93,247.14

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Solution

The fourth proportional to 168,698.64, 232,803.90 and 93,247.14 is: 128,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,698.64 : 232,803.90 = 93,247.14 : x
  2. Step 2: Convert to fraction form
    168,698.64/232,803.90 = 93,247.14/x
  3. Step 3: Cross multiply
    168,698.64x = 232,803.90 × 93,247.14
  4. Step 4: Simplify right side
    168,698.64x = 21,708,297,855.85
  5. Step 5: Solve for x
    x = 21,708,297,855.85/168,698.64
  6. Step 6: Final answer
    x = 128,680.93

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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.