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Finding the Fourth Proportional to 94,175.82, 129,963.69 and 51,155.69

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Solution

The fourth proportional to 94,175.82, 129,963.69 and 51,155.69 is: 70,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,175.82 : 129,963.69 = 51,155.69 : x
  2. Step 2: Convert to fraction form
    94,175.82/129,963.69 = 51,155.69/x
  3. Step 3: Cross multiply
    94,175.82x = 129,963.69 × 51,155.69
  4. Step 4: Simplify right side
    94,175.82x = 6,648,381,587.08
  5. Step 5: Solve for x
    x = 6,648,381,587.08/94,175.82
  6. Step 6: Final answer
    x = 70,595.42

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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.