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Finding the Fourth Proportional to 114,112.88, 157,422.70 and 73,839.64

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Solution

The fourth proportional to 114,112.88, 157,422.70 and 73,839.64 is: 101,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,112.88 : 157,422.70 = 73,839.64 : x
  2. Step 2: Convert to fraction form
    114,112.88/157,422.70 = 73,839.64/x
  3. Step 3: Cross multiply
    114,112.88x = 157,422.70 × 73,839.64
  4. Step 4: Simplify right side
    114,112.88x = 11,624,035,495.83
  5. Step 5: Solve for x
    x = 11,624,035,495.83/114,112.88
  6. Step 6: Final answer
    x = 101,864.36

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1.5x scale

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.