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Finding the Fourth Proportional to 151,638.02, 226,990.47 and 98,934.02

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Solution

The fourth proportional to 151,638.02, 226,990.47 and 98,934.02 is: 148,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,638.02 : 226,990.47 = 98,934.02 : x
  2. Step 2: Convert to fraction form
    151,638.02/226,990.47 = 98,934.02/x
  3. Step 3: Cross multiply
    151,638.02x = 226,990.47 × 98,934.02
  4. Step 4: Simplify right side
    151,638.02x = 22,457,079,698.79
  5. Step 5: Solve for x
    x = 22,457,079,698.79/151,638.02
  6. Step 6: Final answer
    x = 148,096.63

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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.