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Finding the Fourth Proportional to 114,071.56, 157,344.60 and 73,170.96

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Solution

The fourth proportional to 114,071.56, 157,344.60 and 73,170.96 is: 100,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,071.56 : 157,344.60 = 73,170.96 : x
  2. Step 2: Convert to fraction form
    114,071.56/157,344.60 = 73,170.96/x
  3. Step 3: Cross multiply
    114,071.56x = 157,344.60 × 73,170.96
  4. Step 4: Simplify right side
    114,071.56x = 11,513,055,432.82
  5. Step 5: Solve for x
    x = 11,513,055,432.82/114,071.56
  6. Step 6: Final answer
    x = 100,928.36

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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.