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Finding the Fourth Proportional to 243,471.54, 336,206.16 and 151,747.37

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Solution

The fourth proportional to 243,471.54, 336,206.16 and 151,747.37 is: 209,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,471.54 : 336,206.16 = 151,747.37 : x
  2. Step 2: Convert to fraction form
    243,471.54/336,206.16 = 151,747.37/x
  3. Step 3: Cross multiply
    243,471.54x = 336,206.16 × 151,747.37
  4. Step 4: Simplify right side
    243,471.54x = 51,018,398,876.77
  5. Step 5: Solve for x
    x = 51,018,398,876.77/243,471.54
  6. Step 6: Final answer
    x = 209,545.64

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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.