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Finding the Fourth Proportional to 163,393.42, 245,105.28 and 63,561.22

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Solution

The fourth proportional to 163,393.42, 245,105.28 and 63,561.22 is: 95,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,393.42 : 245,105.28 = 63,561.22 : x
  2. Step 2: Convert to fraction form
    163,393.42/245,105.28 = 63,561.22/x
  3. Step 3: Cross multiply
    163,393.42x = 245,105.28 × 63,561.22
  4. Step 4: Simplify right side
    163,393.42x = 15,579,190,625.24
  5. Step 5: Solve for x
    x = 15,579,190,625.24/163,393.42
  6. Step 6: Final answer
    x = 95,347.72

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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.