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Finding the Fourth Proportional to 117,950.76, 162,774.96 and 64,238.68

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Solution

The fourth proportional to 117,950.76, 162,774.96 and 64,238.68 is: 88,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,950.76 : 162,774.96 = 64,238.68 : x
  2. Step 2: Convert to fraction form
    117,950.76/162,774.96 = 64,238.68/x
  3. Step 3: Cross multiply
    117,950.76x = 162,774.96 × 64,238.68
  4. Step 4: Simplify right side
    117,950.76x = 10,456,448,567.45
  5. Step 5: Solve for x
    x = 10,456,448,567.45/117,950.76
  6. Step 6: Final answer
    x = 88,650.96

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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.