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Finding the Fourth Proportional to 157,661.68, 236,485.88 and 73,392.88

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Solution

The fourth proportional to 157,661.68, 236,485.88 and 73,392.88 is: 110,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.68 : 236,485.88 = 73,392.88 : x
  2. Step 2: Convert to fraction form
    157,661.68/236,485.88 = 73,392.88/x
  3. Step 3: Cross multiply
    157,661.68x = 236,485.88 × 73,392.88
  4. Step 4: Simplify right side
    157,661.68x = 17,356,379,812.53
  5. Step 5: Solve for x
    x = 17,356,379,812.53/157,661.68
  6. Step 6: Final answer
    x = 110,086.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.