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Finding the Fourth Proportional to 163,650.80, 245,620.20 and 97,007.60

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Solution

The fourth proportional to 163,650.80, 245,620.20 and 97,007.60 is: 145,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,650.80 : 245,620.20 = 97,007.60 : x
  2. Step 2: Convert to fraction form
    163,650.80/245,620.20 = 97,007.60/x
  3. Step 3: Cross multiply
    163,650.80x = 245,620.20 × 97,007.60
  4. Step 4: Simplify right side
    163,650.80x = 23,827,026,113.52
  5. Step 5: Solve for x
    x = 23,827,026,113.52/163,650.80
  6. Step 6: Final answer
    x = 145,596.76

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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.