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Finding the Fourth Proportional to 117,960.50, 162,783.06 and 64,246.46

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Solution

The fourth proportional to 117,960.50, 162,783.06 and 64,246.46 is: 88,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,960.50 : 162,783.06 = 64,246.46 : x
  2. Step 2: Convert to fraction form
    117,960.50/162,783.06 = 64,246.46/x
  3. Step 3: Cross multiply
    117,960.50x = 162,783.06 × 64,246.46
  4. Step 4: Simplify right side
    117,960.50x = 10,458,235,352.97
  5. Step 5: Solve for x
    x = 10,458,235,352.97/117,960.50
  6. Step 6: Final answer
    x = 88,658.79

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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.