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Finding the Fourth Proportional to 303,348.23, 454,957.71 and 90,058.32

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Solution

The fourth proportional to 303,348.23, 454,957.71 and 90,058.32 is: 135,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,348.23 : 454,957.71 = 90,058.32 : x
  2. Step 2: Convert to fraction form
    303,348.23/454,957.71 = 90,058.32/x
  3. Step 3: Cross multiply
    303,348.23x = 454,957.71 × 90,058.32
  4. Step 4: Simplify right side
    303,348.23x = 40,972,727,033.65
  5. Step 5: Solve for x
    x = 40,972,727,033.65/303,348.23
  6. Step 6: Final answer
    x = 135,068.29

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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.