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Finding the Fourth Proportional to 64,146.54, 96,179.04 and 56,264.88

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Solution

The fourth proportional to 64,146.54, 96,179.04 and 56,264.88 is: 84,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,146.54 : 96,179.04 = 56,264.88 : x
  2. Step 2: Convert to fraction form
    64,146.54/96,179.04 = 56,264.88/x
  3. Step 3: Cross multiply
    64,146.54x = 96,179.04 × 56,264.88
  4. Step 4: Simplify right side
    64,146.54x = 5,411,502,144.12
  5. Step 5: Solve for x
    x = 5,411,502,144.12/64,146.54
  6. Step 6: Final answer
    x = 84,361.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.