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Finding the Fourth Proportional to 73,112.88, 100,900.44 and 41,270.16

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Solution

The fourth proportional to 73,112.88, 100,900.44 and 41,270.16 is: 56,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,112.88 : 100,900.44 = 41,270.16 : x
  2. Step 2: Convert to fraction form
    73,112.88/100,900.44 = 41,270.16/x
  3. Step 3: Cross multiply
    73,112.88x = 100,900.44 × 41,270.16
  4. Step 4: Simplify right side
    73,112.88x = 4,164,177,302.87
  5. Step 5: Solve for x
    x = 4,164,177,302.87/73,112.88
  6. Step 6: Final answer
    x = 56,955.45

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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.