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Finding the Fourth Proportional to 207,292.53, 310,938.80 and 114,388.77

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Solution

The fourth proportional to 207,292.53, 310,938.80 and 114,388.77 is: 171,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,292.53 : 310,938.80 = 114,388.77 : x
  2. Step 2: Convert to fraction form
    207,292.53/310,938.80 = 114,388.77/x
  3. Step 3: Cross multiply
    207,292.53x = 310,938.80 × 114,388.77
  4. Step 4: Simplify right side
    207,292.53x = 35,567,906,305.33
  5. Step 5: Solve for x
    x = 35,567,906,305.33/207,292.53
  6. Step 6: Final answer
    x = 171,583.16

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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.