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Finding the Fourth Proportional to 259,993.49, 358,793.37 and 152,565.30

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Solution

The fourth proportional to 259,993.49, 358,793.37 and 152,565.30 is: 210,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,993.49 : 358,793.37 = 152,565.30 : x
  2. Step 2: Convert to fraction form
    259,993.49/358,793.37 = 152,565.30/x
  3. Step 3: Cross multiply
    259,993.49x = 358,793.37 × 152,565.30
  4. Step 4: Simplify right side
    259,993.49x = 54,739,418,132.06
  5. Step 5: Solve for x
    x = 54,739,418,132.06/259,993.49
  6. Step 6: Final answer
    x = 210,541.50

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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.