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Finding the Fourth Proportional to 207,053.54, 285,338.57 and 178,364.20

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Solution

The fourth proportional to 207,053.54, 285,338.57 and 178,364.20 is: 245,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,053.54 : 285,338.57 = 178,364.20 : x
  2. Step 2: Convert to fraction form
    207,053.54/285,338.57 = 178,364.20/x
  3. Step 3: Cross multiply
    207,053.54x = 285,338.57 × 178,364.20
  4. Step 4: Simplify right side
    207,053.54x = 50,894,187,004.50
  5. Step 5: Solve for x
    x = 50,894,187,004.50/207,053.54
  6. Step 6: Final answer
    x = 245,802.06

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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.