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Finding the Fourth Proportional to 114,859.92, 172,256.60 and 44,723.60

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Solution

The fourth proportional to 114,859.92, 172,256.60 and 44,723.60 is: 67,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,859.92 : 172,256.60 = 44,723.60 : x
  2. Step 2: Convert to fraction form
    114,859.92/172,256.60 = 44,723.60/x
  3. Step 3: Cross multiply
    114,859.92x = 172,256.60 × 44,723.60
  4. Step 4: Simplify right side
    114,859.92x = 7,703,935,275.76
  5. Step 5: Solve for x
    x = 7,703,935,275.76/114,859.92
  6. Step 6: Final answer
    x = 67,072.44

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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.