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Finding the Fourth Proportional to 114,479.66, 171,717.60 and 31,373.66

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Solution

The fourth proportional to 114,479.66, 171,717.60 and 31,373.66 is: 47,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479.66 : 171,717.60 = 31,373.66 : x
  2. Step 2: Convert to fraction form
    114,479.66/171,717.60 = 31,373.66/x
  3. Step 3: Cross multiply
    114,479.66x = 171,717.60 × 31,373.66
  4. Step 4: Simplify right side
    114,479.66x = 5,387,409,598.42
  5. Step 5: Solve for x
    x = 5,387,409,598.42/114,479.66
  6. Step 6: Final answer
    x = 47,059.97

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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.