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Finding the Fourth Proportional to 219,798.48, 329,753.16 and 101,553.42

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Solution

The fourth proportional to 219,798.48, 329,753.16 and 101,553.42 is: 152,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,798.48 : 329,753.16 = 101,553.42 : x
  2. Step 2: Convert to fraction form
    219,798.48/329,753.16 = 101,553.42/x
  3. Step 3: Cross multiply
    219,798.48x = 329,753.16 × 101,553.42
  4. Step 4: Simplify right side
    219,798.48x = 33,487,561,153.81
  5. Step 5: Solve for x
    x = 33,487,561,153.81/219,798.48
  6. Step 6: Final answer
    x = 152,355.74

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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.