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Finding the Fourth Proportional to 162,659.51, 243,633.92 and 67,601.49

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Solution

The fourth proportional to 162,659.51, 243,633.92 and 67,601.49 is: 101,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,659.51 : 243,633.92 = 67,601.49 : x
  2. Step 2: Convert to fraction form
    162,659.51/243,633.92 = 67,601.49/x
  3. Step 3: Cross multiply
    162,659.51x = 243,633.92 × 67,601.49
  4. Step 4: Simplify right side
    162,659.51x = 16,470,015,668.53
  5. Step 5: Solve for x
    x = 16,470,015,668.53/162,659.51
  6. Step 6: Final answer
    x = 101,254.55

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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.