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Finding the Fourth Proportional to 64,402.32, 88,866.48 and 37,179.36

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Solution

The fourth proportional to 64,402.32, 88,866.48 and 37,179.36 is: 51,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.32 : 88,866.48 = 37,179.36 : x
  2. Step 2: Convert to fraction form
    64,402.32/88,866.48 = 37,179.36/x
  3. Step 3: Cross multiply
    64,402.32x = 88,866.48 × 37,179.36
  4. Step 4: Simplify right side
    64,402.32x = 3,303,998,851.85
  5. Step 5: Solve for x
    x = 3,303,998,851.85/64,402.32
  6. Step 6: Final answer
    x = 51,302.48

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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.