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Finding the Fourth Proportional to 42,151.84, 58,168.08 and 23,290.08

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Solution

The fourth proportional to 42,151.84, 58,168.08 and 23,290.08 is: 32,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.84 : 58,168.08 = 23,290.08 : x
  2. Step 2: Convert to fraction form
    42,151.84/58,168.08 = 23,290.08/x
  3. Step 3: Cross multiply
    42,151.84x = 58,168.08 × 23,290.08
  4. Step 4: Simplify right side
    42,151.84x = 1,354,739,236.65
  5. Step 5: Solve for x
    x = 1,354,739,236.65/42,151.84
  6. Step 6: Final answer
    x = 32,139.50

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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.