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Finding the Fourth Proportional to 58,181.79, 87,271.74 and 33,168.45

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Solution

The fourth proportional to 58,181.79, 87,271.74 and 33,168.45 is: 49,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.79 : 87,271.74 = 33,168.45 : x
  2. Step 2: Convert to fraction form
    58,181.79/87,271.74 = 33,168.45/x
  3. Step 3: Cross multiply
    58,181.79x = 87,271.74 × 33,168.45
  4. Step 4: Simplify right side
    58,181.79x = 2,894,668,344.60
  5. Step 5: Solve for x
    x = 2,894,668,344.60/58,181.79
  6. Step 6: Final answer
    x = 49,752.14

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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.