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Finding the Fourth Proportional to 172,175.76, 237,598.65 and 99,573.17

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Solution

The fourth proportional to 172,175.76, 237,598.65 and 99,573.17 is: 137,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,175.76 : 237,598.65 = 99,573.17 : x
  2. Step 2: Convert to fraction form
    172,175.76/237,598.65 = 99,573.17/x
  3. Step 3: Cross multiply
    172,175.76x = 237,598.65 × 99,573.17
  4. Step 4: Simplify right side
    172,175.76x = 23,658,449,580.23
  5. Step 5: Solve for x
    x = 23,658,449,580.23/172,175.76
  6. Step 6: Final answer
    x = 137,408.71

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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.