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Finding the Fourth Proportional to 69,663.53, 96,175.52 and 45,859.40

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Solution

The fourth proportional to 69,663.53, 96,175.52 and 45,859.40 is: 63,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,663.53 : 96,175.52 = 45,859.40 : x
  2. Step 2: Convert to fraction form
    69,663.53/96,175.52 = 45,859.40/x
  3. Step 3: Cross multiply
    69,663.53x = 96,175.52 × 45,859.40
  4. Step 4: Simplify right side
    69,663.53x = 4,410,551,464.34
  5. Step 5: Solve for x
    x = 4,410,551,464.34/69,663.53
  6. Step 6: Final answer
    x = 63,312.20

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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.