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Finding the Fourth Proportional to 109,246.32, 150,765.30 and 61,504.92

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Solution

The fourth proportional to 109,246.32, 150,765.30 and 61,504.92 is: 84,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,246.32 : 150,765.30 = 61,504.92 : x
  2. Step 2: Convert to fraction form
    109,246.32/150,765.30 = 61,504.92/x
  3. Step 3: Cross multiply
    109,246.32x = 150,765.30 × 61,504.92
  4. Step 4: Simplify right side
    109,246.32x = 9,272,807,715.28
  5. Step 5: Solve for x
    x = 9,272,807,715.28/109,246.32
  6. Step 6: Final answer
    x = 84,879.82

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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.