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Finding the Fourth Proportional to 114,612.53, 171,920.91 and 39,735.11

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Solution

The fourth proportional to 114,612.53, 171,920.91 and 39,735.11 is: 59,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,612.53 : 171,920.91 = 39,735.11 : x
  2. Step 2: Convert to fraction form
    114,612.53/171,920.91 = 39,735.11/x
  3. Step 3: Cross multiply
    114,612.53x = 171,920.91 × 39,735.11
  4. Step 4: Simplify right side
    114,612.53x = 6,831,296,270.15
  5. Step 5: Solve for x
    x = 6,831,296,270.15/114,612.53
  6. Step 6: Final answer
    x = 59,603.40

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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.