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Finding the Fourth Proportional to 232,374.87, 320,646.60 and 130,396.41

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Solution

The fourth proportional to 232,374.87, 320,646.60 and 130,396.41 is: 179,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,374.87 : 320,646.60 = 130,396.41 : x
  2. Step 2: Convert to fraction form
    232,374.87/320,646.60 = 130,396.41/x
  3. Step 3: Cross multiply
    232,374.87x = 320,646.60 × 130,396.41
  4. Step 4: Simplify right side
    232,374.87x = 41,811,165,518.71
  5. Step 5: Solve for x
    x = 41,811,165,518.71/232,374.87
  6. Step 6: Final answer
    x = 179,929.81

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Why These Related Problems?

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