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Finding the Fourth Proportional to 99,175.88, 148,763.51 and 35,995.91

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Solution

The fourth proportional to 99,175.88, 148,763.51 and 35,995.91 is: 53,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,175.88 : 148,763.51 = 35,995.91 : x
  2. Step 2: Convert to fraction form
    99,175.88/148,763.51 = 35,995.91/x
  3. Step 3: Cross multiply
    99,175.88x = 148,763.51 × 35,995.91
  4. Step 4: Simplify right side
    99,175.88x = 5,354,878,109.17
  5. Step 5: Solve for x
    x = 5,354,878,109.17/99,175.88
  6. Step 6: Final answer
    x = 53,993.76

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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.