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Finding the Fourth Proportional to 64,166.88, 88,548.48 and 35,875.20

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Solution

The fourth proportional to 64,166.88, 88,548.48 and 35,875.20 is: 49,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.88 : 88,548.48 = 35,875.20 : x
  2. Step 2: Convert to fraction form
    64,166.88/88,548.48 = 35,875.20/x
  3. Step 3: Cross multiply
    64,166.88x = 88,548.48 × 35,875.20
  4. Step 4: Simplify right side
    64,166.88x = 3,176,694,429.70
  5. Step 5: Solve for x
    x = 3,176,694,429.70/64,166.88
  6. Step 6: Final answer
    x = 49,506.76

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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.