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Finding the Fourth Proportional to 163,593.90, 245,208.60 and 63,720.90

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Solution

The fourth proportional to 163,593.90, 245,208.60 and 63,720.90 is: 95,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,593.90 : 245,208.60 = 63,720.90 : x
  2. Step 2: Convert to fraction form
    163,593.90/245,208.60 = 63,720.90/x
  3. Step 3: Cross multiply
    163,593.90x = 245,208.60 × 63,720.90
  4. Step 4: Simplify right side
    163,593.90x = 15,624,912,679.74
  5. Step 5: Solve for x
    x = 15,624,912,679.74/163,593.90
  6. Step 6: Final answer
    x = 95,510.36

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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.