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Finding the Fourth Proportional to 114,187.71, 157,579.29 and 63,203.91

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Solution

The fourth proportional to 114,187.71, 157,579.29 and 63,203.91 is: 87,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,187.71 : 157,579.29 = 63,203.91 : x
  2. Step 2: Convert to fraction form
    114,187.71/157,579.29 = 63,203.91/x
  3. Step 3: Cross multiply
    114,187.71x = 157,579.29 × 63,203.91
  4. Step 4: Simplify right side
    114,187.71x = 9,959,627,263.02
  5. Step 5: Solve for x
    x = 9,959,627,263.02/114,187.71
  6. Step 6: Final answer
    x = 87,221.53

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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.