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Finding the Fourth Proportional to 64,156.21, 88,534.31 and 35,476.88

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Solution

The fourth proportional to 64,156.21, 88,534.31 and 35,476.88 is: 48,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.21 : 88,534.31 = 35,476.88 : x
  2. Step 2: Convert to fraction form
    64,156.21/88,534.31 = 35,476.88/x
  3. Step 3: Cross multiply
    64,156.21x = 88,534.31 × 35,476.88
  4. Step 4: Simplify right side
    64,156.21x = 3,140,920,471.70
  5. Step 5: Solve for x
    x = 3,140,920,471.70/64,156.21
  6. Step 6: Final answer
    x = 48,957.39

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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.