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Finding the Fourth Proportional to 207,244.57, 285,997.51 and 117,820.57

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Solution

The fourth proportional to 207,244.57, 285,997.51 and 117,820.57 is: 162,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,244.57 : 285,997.51 = 117,820.57 : x
  2. Step 2: Convert to fraction form
    207,244.57/285,997.51 = 117,820.57/x
  3. Step 3: Cross multiply
    207,244.57x = 285,997.51 × 117,820.57
  4. Step 4: Simplify right side
    207,244.57x = 33,696,388,216.79
  5. Step 5: Solve for x
    x = 33,696,388,216.79/207,244.57
  6. Step 6: Final answer
    x = 162,592.39

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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.