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Finding the Fourth Proportional to 168,826.71, 253,146.58 and 69,056.97

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Solution

The fourth proportional to 168,826.71, 253,146.58 and 69,056.97 is: 103,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,826.71 : 253,146.58 = 69,056.97 : x
  2. Step 2: Convert to fraction form
    168,826.71/253,146.58 = 69,056.97/x
  3. Step 3: Cross multiply
    168,826.71x = 253,146.58 × 69,056.97
  4. Step 4: Simplify right side
    168,826.71x = 17,481,534,658.72
  5. Step 5: Solve for x
    x = 17,481,534,658.72/168,826.71
  6. Step 6: Final answer
    x = 103,547.21

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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.