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Finding the Fourth Proportional to 239,189.90, 358,775.86 and 59,275.86

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Solution

The fourth proportional to 239,189.90, 358,775.86 and 59,275.86 is: 88,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,189.90 : 358,775.86 = 59,275.86 : x
  2. Step 2: Convert to fraction form
    239,189.90/358,775.86 = 59,275.86/x
  3. Step 3: Cross multiply
    239,189.90x = 358,775.86 × 59,275.86
  4. Step 4: Simplify right side
    239,189.90x = 21,266,747,648.74
  5. Step 5: Solve for x
    x = 21,266,747,648.74/239,189.90
  6. Step 6: Final answer
    x = 88,911.56

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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.