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Finding the Fourth Proportional to 259,993.59, 358,793.53 and 152,565.42

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Solution

The fourth proportional to 259,993.59, 358,793.53 and 152,565.42 is: 210,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,993.59 : 358,793.53 = 152,565.42 : x
  2. Step 2: Convert to fraction form
    259,993.59/358,793.53 = 152,565.42/x
  3. Step 3: Cross multiply
    259,993.59x = 358,793.53 × 152,565.42
  4. Step 4: Simplify right side
    259,993.59x = 54,739,485,597.73
  5. Step 5: Solve for x
    x = 54,739,485,597.73/259,993.59
  6. Step 6: Final answer
    x = 210,541.67

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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.