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Finding the Fourth Proportional to 368,976.03, 553,464.45 and 102,737.13

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Solution

The fourth proportional to 368,976.03, 553,464.45 and 102,737.13 is: 154,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,976.03 : 553,464.45 = 102,737.13 : x
  2. Step 2: Convert to fraction form
    368,976.03/553,464.45 = 102,737.13/x
  3. Step 3: Cross multiply
    368,976.03x = 553,464.45 × 102,737.13
  4. Step 4: Simplify right side
    368,976.03x = 56,861,349,150.03
  5. Step 5: Solve for x
    x = 56,861,349,150.03/368,976.03
  6. Step 6: Final answer
    x = 154,105.81

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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.