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Finding the Fourth Proportional to 115,295.61, 172,995.96 and 59,175.12

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Solution

The fourth proportional to 115,295.61, 172,995.96 and 59,175.12 is: 88,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,295.61 : 172,995.96 = 59,175.12 : x
  2. Step 2: Convert to fraction form
    115,295.61/172,995.96 = 59,175.12/x
  3. Step 3: Cross multiply
    115,295.61x = 172,995.96 × 59,175.12
  4. Step 4: Simplify right side
    115,295.61x = 10,237,056,396.64
  5. Step 5: Solve for x
    x = 10,237,056,396.64/115,295.61
  6. Step 6: Final answer
    x = 88,789.65

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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.