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Finding the Fourth Proportional to 369,388.63, 554,083.05 and 88,905.88

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Solution

The fourth proportional to 369,388.63, 554,083.05 and 88,905.88 is: 133,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,388.63 : 554,083.05 = 88,905.88 : x
  2. Step 2: Convert to fraction form
    369,388.63/554,083.05 = 88,905.88/x
  3. Step 3: Cross multiply
    369,388.63x = 554,083.05 × 88,905.88
  4. Step 4: Simplify right side
    369,388.63x = 49,261,241,153.33
  5. Step 5: Solve for x
    x = 49,261,241,153.33/369,388.63
  6. Step 6: Final answer
    x = 133,358.85

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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.