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Finding the Fourth Proportional to 162,415.59, 243,619.29 and 44,083.86

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Solution

The fourth proportional to 162,415.59, 243,619.29 and 44,083.86 is: 66,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,415.59 : 243,619.29 = 44,083.86 : x
  2. Step 2: Convert to fraction form
    162,415.59/243,619.29 = 44,083.86/x
  3. Step 3: Cross multiply
    162,415.59x = 243,619.29 × 44,083.86
  4. Step 4: Simplify right side
    162,415.59x = 10,739,678,673.66
  5. Step 5: Solve for x
    x = 10,739,678,673.66/162,415.59
  6. Step 6: Final answer
    x = 66,124.68

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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.