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Finding the Fourth Proportional to 68,107.32, 102,160.64 and 17,506.30

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Solution

The fourth proportional to 68,107.32, 102,160.64 and 17,506.30 is: 26,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,107.32 : 102,160.64 = 17,506.30 : x
  2. Step 2: Convert to fraction form
    68,107.32/102,160.64 = 17,506.30/x
  3. Step 3: Cross multiply
    68,107.32x = 102,160.64 × 17,506.30
  4. Step 4: Simplify right side
    68,107.32x = 1,788,454,812.03
  5. Step 5: Solve for x
    x = 1,788,454,812.03/68,107.32
  6. Step 6: Final answer
    x = 26,259.36

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1.5x scale

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.