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Finding the Fourth Proportional to 163,712.92, 245,569.45 and 73,650.44

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Solution

The fourth proportional to 163,712.92, 245,569.45 and 73,650.44 is: 110,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,712.92 : 245,569.45 = 73,650.44 : x
  2. Step 2: Convert to fraction form
    163,712.92/245,569.45 = 73,650.44/x
  3. Step 3: Cross multiply
    163,712.92x = 245,569.45 × 73,650.44
  4. Step 4: Simplify right side
    163,712.92x = 18,086,298,043.06
  5. Step 5: Solve for x
    x = 18,086,298,043.06/163,712.92
  6. Step 6: Final answer
    x = 110,475.69

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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.