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Finding the Fourth Proportional to 114,351.75, 157,803.06 and 63,364.03

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Solution

The fourth proportional to 114,351.75, 157,803.06 and 63,364.03 is: 87,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,351.75 : 157,803.06 = 63,364.03 : x
  2. Step 2: Convert to fraction form
    114,351.75/157,803.06 = 63,364.03/x
  3. Step 3: Cross multiply
    114,351.75x = 157,803.06 × 63,364.03
  4. Step 4: Simplify right side
    114,351.75x = 9,999,037,827.93
  5. Step 5: Solve for x
    x = 9,999,037,827.93/114,351.75
  6. Step 6: Final answer
    x = 87,441.06

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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.