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Finding the Fourth Proportional to 104,073.84, 156,047.48 and 40,818.16

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Solution

The fourth proportional to 104,073.84, 156,047.48 and 40,818.16 is: 61,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073.84 : 156,047.48 = 40,818.16 : x
  2. Step 2: Convert to fraction form
    104,073.84/156,047.48 = 40,818.16/x
  3. Step 3: Cross multiply
    104,073.84x = 156,047.48 × 40,818.16
  4. Step 4: Simplify right side
    104,073.84x = 6,369,571,006.24
  5. Step 5: Solve for x
    x = 6,369,571,006.24/104,073.84
  6. Step 6: Final answer
    x = 61,202.42

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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.