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Finding the Fourth Proportional to 117,506.19, 162,162 and 63,794.64

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Solution

The fourth proportional to 117,506.19, 162,162 and 63,794.64 is: 88,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,506.19 : 162,162 = 63,794.64 : x
  2. Step 2: Convert to fraction form
    117,506.19/162,162 = 63,794.64/x
  3. Step 3: Cross multiply
    117,506.19x = 162,162 × 63,794.64
  4. Step 4: Simplify right side
    117,506.19x = 10,345,066,411.68
  5. Step 5: Solve for x
    x = 10,345,066,411.68/117,506.19
  6. Step 6: Final answer
    x = 88,038.48

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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.