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Finding the Fourth Proportional to 282,134.68, 389,317.50 and 168,954.52

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Solution

The fourth proportional to 282,134.68, 389,317.50 and 168,954.52 is: 233,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,134.68 : 389,317.50 = 168,954.52 : x
  2. Step 2: Convert to fraction form
    282,134.68/389,317.50 = 168,954.52/x
  3. Step 3: Cross multiply
    282,134.68x = 389,317.50 × 168,954.52
  4. Step 4: Simplify right side
    282,134.68x = 65,776,951,340.10
  5. Step 5: Solve for x
    x = 65,776,951,340.10/282,134.68
  6. Step 6: Final answer
    x = 233,140.26

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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.