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Finding the Fourth Proportional to 64,143.58, 88,515.52 and 35,461.41

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Solution

The fourth proportional to 64,143.58, 88,515.52 and 35,461.41 is: 48,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.58 : 88,515.52 = 35,461.41 : x
  2. Step 2: Convert to fraction form
    64,143.58/88,515.52 = 35,461.41/x
  3. Step 3: Cross multiply
    64,143.58x = 88,515.52 × 35,461.41
  4. Step 4: Simplify right side
    64,143.58x = 3,138,885,146.08
  5. Step 5: Solve for x
    x = 3,138,885,146.08/64,143.58
  6. Step 6: Final answer
    x = 48,935.30

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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.