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Finding the Fourth Proportional to 164,026.30, 246,039.45 and 162,643.90

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Solution

The fourth proportional to 164,026.30, 246,039.45 and 162,643.90 is: 243,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,026.30 : 246,039.45 = 162,643.90 : x
  2. Step 2: Convert to fraction form
    164,026.30/246,039.45 = 162,643.90/x
  3. Step 3: Cross multiply
    164,026.30x = 246,039.45 × 162,643.90
  4. Step 4: Simplify right side
    164,026.30x = 40,016,815,701.86
  5. Step 5: Solve for x
    x = 40,016,815,701.86/164,026.30
  6. Step 6: Final answer
    x = 243,965.85

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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.