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Finding the Fourth Proportional to 197,334.40, 295,661.40 and 91,937.20

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Solution

The fourth proportional to 197,334.40, 295,661.40 and 91,937.20 is: 137,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,334.40 : 295,661.40 = 91,937.20 : x
  2. Step 2: Convert to fraction form
    197,334.40/295,661.40 = 91,937.20/x
  3. Step 3: Cross multiply
    197,334.40x = 295,661.40 × 91,937.20
  4. Step 4: Simplify right side
    197,334.40x = 27,182,281,264.08
  5. Step 5: Solve for x
    x = 27,182,281,264.08/197,334.40
  6. Step 6: Final answer
    x = 137,747.30

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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.