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Finding the Fourth Proportional to 114,159.90, 171,197.26 and 39,258.84

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Solution

The fourth proportional to 114,159.90, 171,197.26 and 39,258.84 is: 58,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,159.90 : 171,197.26 = 39,258.84 : x
  2. Step 2: Convert to fraction form
    114,159.90/171,197.26 = 39,258.84/x
  3. Step 3: Cross multiply
    114,159.90x = 171,197.26 × 39,258.84
  4. Step 4: Simplify right side
    114,159.90x = 6,721,005,838.78
  5. Step 5: Solve for x
    x = 6,721,005,838.78/114,159.90
  6. Step 6: Final answer
    x = 58,873.61

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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.