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Finding the Fourth Proportional to 114,266.76, 171,411.48 and 39,376.86

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Solution

The fourth proportional to 114,266.76, 171,411.48 and 39,376.86 is: 59,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,266.76 : 171,411.48 = 39,376.86 : x
  2. Step 2: Convert to fraction form
    114,266.76/171,411.48 = 39,376.86/x
  3. Step 3: Cross multiply
    114,266.76x = 171,411.48 × 39,376.86
  4. Step 4: Simplify right side
    114,266.76x = 6,749,645,850.35
  5. Step 5: Solve for x
    x = 6,749,645,850.35/114,266.76
  6. Step 6: Final answer
    x = 59,069.20

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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.