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Finding the Fourth Proportional to 172,175.64, 237,600.45 and 100,566.24

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Solution

The fourth proportional to 172,175.64, 237,600.45 and 100,566.24 is: 138,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,175.64 : 237,600.45 = 100,566.24 : x
  2. Step 2: Convert to fraction form
    172,175.64/237,600.45 = 100,566.24/x
  3. Step 3: Cross multiply
    172,175.64x = 237,600.45 × 100,566.24
  4. Step 4: Simplify right side
    172,175.64x = 23,894,583,878.81
  5. Step 5: Solve for x
    x = 23,894,583,878.81/172,175.64
  6. Step 6: Final answer
    x = 138,780.28

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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.