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Finding the Fourth Proportional to 162,565.61, 243,871.70 and 50,255.60

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Solution

The fourth proportional to 162,565.61, 243,871.70 and 50,255.60 is: 75,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,565.61 : 243,871.70 = 50,255.60 : x
  2. Step 2: Convert to fraction form
    162,565.61/243,871.70 = 50,255.60/x
  3. Step 3: Cross multiply
    162,565.61x = 243,871.70 × 50,255.60
  4. Step 4: Simplify right side
    162,565.61x = 12,255,917,135.88
  5. Step 5: Solve for x
    x = 12,255,917,135.88/162,565.61
  6. Step 6: Final answer
    x = 75,390.59

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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.