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Finding the Fourth Proportional to 114,398.16, 171,600.86 and 39,522.58

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Solution

The fourth proportional to 114,398.16, 171,600.86 and 39,522.58 is: 59,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,398.16 : 171,600.86 = 39,522.58 : x
  2. Step 2: Convert to fraction form
    114,398.16/171,600.86 = 39,522.58/x
  3. Step 3: Cross multiply
    114,398.16x = 171,600.86 × 39,522.58
  4. Step 4: Simplify right side
    114,398.16x = 6,782,108,717.42
  5. Step 5: Solve for x
    x = 6,782,108,717.42/114,398.16
  6. Step 6: Final answer
    x = 59,285.12

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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.