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Finding the Fourth Proportional to 114,521.36, 171,798.24 and 44,407.76

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Solution

The fourth proportional to 114,521.36, 171,798.24 and 44,407.76 is: 66,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,521.36 : 171,798.24 = 44,407.76 : x
  2. Step 2: Convert to fraction form
    114,521.36/171,798.24 = 44,407.76/x
  3. Step 3: Cross multiply
    114,521.36x = 171,798.24 × 44,407.76
  4. Step 4: Simplify right side
    114,521.36x = 7,629,175,010.34
  5. Step 5: Solve for x
    x = 7,629,175,010.34/114,521.36
  6. Step 6: Final answer
    x = 66,617.92

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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.