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Finding the Fourth Proportional to 207,009.88, 310,580.43 and 73,887.19

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Solution

The fourth proportional to 207,009.88, 310,580.43 and 73,887.19 is: 110,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,009.88 : 310,580.43 = 73,887.19 : x
  2. Step 2: Convert to fraction form
    207,009.88/310,580.43 = 73,887.19/x
  3. Step 3: Cross multiply
    207,009.88x = 310,580.43 × 73,887.19
  4. Step 4: Simplify right side
    207,009.88x = 22,947,914,188.16
  5. Step 5: Solve for x
    x = 22,947,914,188.16/207,009.88
  6. Step 6: Final answer
    x = 110,854.20

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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.