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Finding the Fourth Proportional to 221,044, 331,740.72 and 96,472.48

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Solution

The fourth proportional to 221,044, 331,740.72 and 96,472.48 is: 144,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,044 : 331,740.72 = 96,472.48 : x
  2. Step 2: Convert to fraction form
    221,044/331,740.72 = 96,472.48/x
  3. Step 3: Cross multiply
    221,044x = 331,740.72 × 96,472.48
  4. Step 4: Simplify right side
    221,044x = 32,003,849,975.39
  5. Step 5: Solve for x
    x = 32,003,849,975.39/221,044
  6. Step 6: Final answer
    x = 144,784.97

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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.