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Finding the Fourth Proportional to 134,410.16, 201,642.81 and 112,377.51

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Solution

The fourth proportional to 134,410.16, 201,642.81 and 112,377.51 is: 168,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,410.16 : 201,642.81 = 112,377.51 : x
  2. Step 2: Convert to fraction form
    134,410.16/201,642.81 = 112,377.51/x
  3. Step 3: Cross multiply
    134,410.16x = 201,642.81 × 112,377.51
  4. Step 4: Simplify right side
    134,410.16x = 22,660,116,475.79
  5. Step 5: Solve for x
    x = 22,660,116,475.79/134,410.16
  6. Step 6: Final answer
    x = 168,589.31

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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.