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Finding the Fourth Proportional to 117,925.52, 162,735.80 and 64,210.52

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Solution

The fourth proportional to 117,925.52, 162,735.80 and 64,210.52 is: 88,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,925.52 : 162,735.80 = 64,210.52 : x
  2. Step 2: Convert to fraction form
    117,925.52/162,735.80 = 64,210.52/x
  3. Step 3: Cross multiply
    117,925.52x = 162,735.80 × 64,210.52
  4. Step 4: Simplify right side
    117,925.52x = 10,449,350,340.62
  5. Step 5: Solve for x
    x = 10,449,350,340.62/117,925.52
  6. Step 6: Final answer
    x = 88,609.75

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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.