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Finding the Fourth Proportional to 117,950.45, 162,766.40 and 64,232.24

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Solution

The fourth proportional to 117,950.45, 162,766.40 and 64,232.24 is: 88,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,950.45 : 162,766.40 = 64,232.24 : x
  2. Step 2: Convert to fraction form
    117,950.45/162,766.40 = 64,232.24/x
  3. Step 3: Cross multiply
    117,950.45x = 162,766.40 × 64,232.24
  4. Step 4: Simplify right side
    117,950.45x = 10,454,849,333.74
  5. Step 5: Solve for x
    x = 10,454,849,333.74/117,950.45
  6. Step 6: Final answer
    x = 88,637.64

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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.