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Finding the Fourth Proportional to 229,186.68, 343,798.39 and 87,100.02

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Solution

The fourth proportional to 229,186.68, 343,798.39 and 87,100.02 is: 130,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,186.68 : 343,798.39 = 87,100.02 : x
  2. Step 2: Convert to fraction form
    229,186.68/343,798.39 = 87,100.02/x
  3. Step 3: Cross multiply
    229,186.68x = 343,798.39 × 87,100.02
  4. Step 4: Simplify right side
    229,186.68x = 29,944,846,644.97
  5. Step 5: Solve for x
    x = 29,944,846,644.97/229,186.68
  6. Step 6: Final answer
    x = 130,657.01

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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.