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Finding the Fourth Proportional to 207,115.40, 310,673.41 and 63,022.48

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Solution

The fourth proportional to 207,115.40, 310,673.41 and 63,022.48 is: 94,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,115.40 : 310,673.41 = 63,022.48 : x
  2. Step 2: Convert to fraction form
    207,115.40/310,673.41 = 63,022.48/x
  3. Step 3: Cross multiply
    207,115.40x = 310,673.41 × 63,022.48
  4. Step 4: Simplify right side
    207,115.40x = 19,579,407,834.02
  5. Step 5: Solve for x
    x = 19,579,407,834.02/207,115.40
  6. Step 6: Final answer
    x = 94,533.81

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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.