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Finding the Fourth Proportional to 245,022.60, 367,577.10 and 87,342.60

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Solution

The fourth proportional to 245,022.60, 367,577.10 and 87,342.60 is: 131,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,022.60 : 367,577.10 = 87,342.60 : x
  2. Step 2: Convert to fraction form
    245,022.60/367,577.10 = 87,342.60/x
  3. Step 3: Cross multiply
    245,022.60x = 367,577.10 × 87,342.60
  4. Step 4: Simplify right side
    245,022.60x = 32,105,139,614.46
  5. Step 5: Solve for x
    x = 32,105,139,614.46/245,022.60
  6. Step 6: Final answer
    x = 131,029.30

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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.