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Finding the Fourth Proportional to 163,616.20, 245,424.30 and 159,679.60

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Solution

The fourth proportional to 163,616.20, 245,424.30 and 159,679.60 is: 239,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,616.20 : 245,424.30 = 159,679.60 : x
  2. Step 2: Convert to fraction form
    163,616.20/245,424.30 = 159,679.60/x
  3. Step 3: Cross multiply
    163,616.20x = 245,424.30 × 159,679.60
  4. Step 4: Simplify right side
    163,616.20x = 39,189,254,054.28
  5. Step 5: Solve for x
    x = 39,189,254,054.28/163,616.20
  6. Step 6: Final answer
    x = 239,519.40

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1.5x scale

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.