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Finding the Fourth Proportional to 216,096.60, 298,093.50 and 126,655.32

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Solution

The fourth proportional to 216,096.60, 298,093.50 and 126,655.32 is: 174,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,096.60 : 298,093.50 = 126,655.32 : x
  2. Step 2: Convert to fraction form
    216,096.60/298,093.50 = 126,655.32/x
  3. Step 3: Cross multiply
    216,096.60x = 298,093.50 × 126,655.32
  4. Step 4: Simplify right side
    216,096.60x = 37,755,127,632.42
  5. Step 5: Solve for x
    x = 37,755,127,632.42/216,096.60
  6. Step 6: Final answer
    x = 174,714.12

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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.