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Finding the Fourth Proportional to 245,765.71, 339,212.00 and 160,833.57

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Solution

The fourth proportional to 245,765.71, 339,212.00 and 160,833.57 is: 221,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,765.71 : 339,212.00 = 160,833.57 : x
  2. Step 2: Convert to fraction form
    245,765.71/339,212.00 = 160,833.57/x
  3. Step 3: Cross multiply
    245,765.71x = 339,212.00 × 160,833.57
  4. Step 4: Simplify right side
    245,765.71x = 54,556,674,446.61
  5. Step 5: Solve for x
    x = 54,556,674,446.61/245,765.71
  6. Step 6: Final answer
    x = 221,986.52

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1.5x scale

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.