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Finding the Fourth Proportional to 247,065.49, 340,950.36 and 133,888.24

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Solution

The fourth proportional to 247,065.49, 340,950.36 and 133,888.24 is: 184,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,065.49 : 340,950.36 = 133,888.24 : x
  2. Step 2: Convert to fraction form
    247,065.49/340,950.36 = 133,888.24/x
  3. Step 3: Cross multiply
    247,065.49x = 340,950.36 × 133,888.24
  4. Step 4: Simplify right side
    247,065.49x = 45,649,243,627.77
  5. Step 5: Solve for x
    x = 45,649,243,627.77/247,065.49
  6. Step 6: Final answer
    x = 184,765.76

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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.