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Finding the Fourth Proportional to 369,090.96, 553,286.52 and 119,598

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Solution

The fourth proportional to 369,090.96, 553,286.52 and 119,598 is: 179,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,090.96 : 553,286.52 = 119,598 : x
  2. Step 2: Convert to fraction form
    369,090.96/553,286.52 = 119,598/x
  3. Step 3: Cross multiply
    369,090.96x = 553,286.52 × 119,598
  4. Step 4: Simplify right side
    369,090.96x = 66,171,961,218.96
  5. Step 5: Solve for x
    x = 66,171,961,218.96/369,090.96
  6. Step 6: Final answer
    x = 179,283.61

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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.