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Finding the Fourth Proportional to 100,313.16, 150,422.58 and 37,089.60

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Solution

The fourth proportional to 100,313.16, 150,422.58 and 37,089.60 is: 55,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,313.16 : 150,422.58 = 37,089.60 : x
  2. Step 2: Convert to fraction form
    100,313.16/150,422.58 = 37,089.60/x
  3. Step 3: Cross multiply
    100,313.16x = 150,422.58 × 37,089.60
  4. Step 4: Simplify right side
    100,313.16x = 5,579,113,323.17
  5. Step 5: Solve for x
    x = 5,579,113,323.17/100,313.16
  6. Step 6: Final answer
    x = 55,616.96

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1.5x scale

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.