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Finding the Fourth Proportional to 162,027.66, 243,041.50 and 43,699

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Solution

The fourth proportional to 162,027.66, 243,041.50 and 43,699 is: 65,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,027.66 : 243,041.50 = 43,699 : x
  2. Step 2: Convert to fraction form
    162,027.66/243,041.50 = 43,699/x
  3. Step 3: Cross multiply
    162,027.66x = 243,041.50 × 43,699
  4. Step 4: Simplify right side
    162,027.66x = 10,620,670,508.50
  5. Step 5: Solve for x
    x = 10,620,670,508.50/162,027.66
  6. Step 6: Final answer
    x = 65,548.50

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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.