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Finding the Fourth Proportional to 42,162.72, 58,179.60 and 23,298.72

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Solution

The fourth proportional to 42,162.72, 58,179.60 and 23,298.72 is: 32,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162.72 : 58,179.60 = 23,298.72 : x
  2. Step 2: Convert to fraction form
    42,162.72/58,179.60 = 23,298.72/x
  3. Step 3: Cross multiply
    42,162.72x = 58,179.60 × 23,298.72
  4. Step 4: Simplify right side
    42,162.72x = 1,355,510,210.11
  5. Step 5: Solve for x
    x = 1,355,510,210.11/42,162.72
  6. Step 6: Final answer
    x = 32,149.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.