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Finding the Fourth Proportional to 114,490.51, 157,995.86 and 63,503.34

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Solution

The fourth proportional to 114,490.51, 157,995.86 and 63,503.34 is: 87,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.51 : 157,995.86 = 63,503.34 : x
  2. Step 2: Convert to fraction form
    114,490.51/157,995.86 = 63,503.34/x
  3. Step 3: Cross multiply
    114,490.51x = 157,995.86 × 63,503.34
  4. Step 4: Simplify right side
    114,490.51x = 10,033,263,906.17
  5. Step 5: Solve for x
    x = 10,033,263,906.17/114,490.51
  6. Step 6: Final answer
    x = 87,634.02

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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.