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Finding the Fourth Proportional to 114,212.63, 157,611.56 and 63,224.29

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Solution

The fourth proportional to 114,212.63, 157,611.56 and 63,224.29 is: 87,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,212.63 : 157,611.56 = 63,224.29 : x
  2. Step 2: Convert to fraction form
    114,212.63/157,611.56 = 63,224.29/x
  3. Step 3: Cross multiply
    114,212.63x = 157,611.56 × 63,224.29
  4. Step 4: Simplify right side
    114,212.63x = 9,964,878,660.67
  5. Step 5: Solve for x
    x = 9,964,878,660.67/114,212.63
  6. Step 6: Final answer
    x = 87,248.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.