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Finding the Fourth Proportional to 104,868.57, 157,240.64 and 41,654.71

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Solution

The fourth proportional to 104,868.57, 157,240.64 and 41,654.71 is: 62,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,868.57 : 157,240.64 = 41,654.71 : x
  2. Step 2: Convert to fraction form
    104,868.57/157,240.64 = 41,654.71/x
  3. Step 3: Cross multiply
    104,868.57x = 157,240.64 × 41,654.71
  4. Step 4: Simplify right side
    104,868.57x = 6,549,812,675.62
  5. Step 5: Solve for x
    x = 6,549,812,675.62/104,868.57
  6. Step 6: Final answer
    x = 62,457.34

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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.