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Finding the Fourth Proportional to 618,106.44, 927,009.81 and 168,829.41

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Solution

The fourth proportional to 618,106.44, 927,009.81 and 168,829.41 is: 253,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,106.44 : 927,009.81 = 168,829.41 : x
  2. Step 2: Convert to fraction form
    618,106.44/927,009.81 = 168,829.41/x
  3. Step 3: Cross multiply
    618,106.44x = 927,009.81 × 168,829.41
  4. Step 4: Simplify right side
    618,106.44x = 156,506,519,286.51
  5. Step 5: Solve for x
    x = 156,506,519,286.51/618,106.44
  6. Step 6: Final answer
    x = 253,203.19

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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.