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Finding the Fourth Proportional to 64,347.60, 96,414.66 and 45,534.36

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Solution

The fourth proportional to 64,347.60, 96,414.66 and 45,534.36 is: 68,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,347.60 : 96,414.66 = 45,534.36 : x
  2. Step 2: Convert to fraction form
    64,347.60/96,414.66 = 45,534.36/x
  3. Step 3: Cross multiply
    64,347.60x = 96,414.66 × 45,534.36
  4. Step 4: Simplify right side
    64,347.60x = 4,390,179,837.72
  5. Step 5: Solve for x
    x = 4,390,179,837.72/64,347.60
  6. Step 6: Final answer
    x = 68,226.01

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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.