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Finding the Fourth Proportional to 115,095.76, 158,822.04 and 64,104.64

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Solution

The fourth proportional to 115,095.76, 158,822.04 and 64,104.64 is: 88,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095.76 : 158,822.04 = 64,104.64 : x
  2. Step 2: Convert to fraction form
    115,095.76/158,822.04 = 64,104.64/x
  3. Step 3: Cross multiply
    115,095.76x = 158,822.04 × 64,104.64
  4. Step 4: Simplify right side
    115,095.76x = 10,181,229,698.27
  5. Step 5: Solve for x
    x = 10,181,229,698.27/115,095.76
  6. Step 6: Final answer
    x = 88,458.77

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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.