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Finding the Fourth Proportional to 117,767.80, 162,520.58 and 64,053.32

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Solution

The fourth proportional to 117,767.80, 162,520.58 and 64,053.32 is: 88,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,767.80 : 162,520.58 = 64,053.32 : x
  2. Step 2: Convert to fraction form
    117,767.80/162,520.58 = 64,053.32/x
  3. Step 3: Cross multiply
    117,767.80x = 162,520.58 × 64,053.32
  4. Step 4: Simplify right side
    117,767.80x = 10,409,982,717.33
  5. Step 5: Solve for x
    x = 10,409,982,717.33/117,767.80
  6. Step 6: Final answer
    x = 88,394.13

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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.