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Finding the Fourth Proportional to 75,175.52, 103,631.28 and 59,228.24

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Solution

The fourth proportional to 75,175.52, 103,631.28 and 59,228.24 is: 81,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,175.52 : 103,631.28 = 59,228.24 : x
  2. Step 2: Convert to fraction form
    75,175.52/103,631.28 = 59,228.24/x
  3. Step 3: Cross multiply
    75,175.52x = 103,631.28 × 59,228.24
  4. Step 4: Simplify right side
    75,175.52x = 6,137,898,323.35
  5. Step 5: Solve for x
    x = 6,137,898,323.35/75,175.52
  6. Step 6: Final answer
    x = 81,647.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.