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Finding the Fourth Proportional to 134,323.11, 201,470.99 and 45,574.47

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Solution

The fourth proportional to 134,323.11, 201,470.99 and 45,574.47 is: 68,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,323.11 : 201,470.99 = 45,574.47 : x
  2. Step 2: Convert to fraction form
    134,323.11/201,470.99 = 45,574.47/x
  3. Step 3: Cross multiply
    134,323.11x = 201,470.99 × 45,574.47
  4. Step 4: Simplify right side
    134,323.11x = 9,181,933,361.75
  5. Step 5: Solve for x
    x = 9,181,933,361.75/134,323.11
  6. Step 6: Final answer
    x = 68,357.06

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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.