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Finding the Fourth Proportional to 207,259.04, 310,896.60 and 65,201.20

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Solution

The fourth proportional to 207,259.04, 310,896.60 and 65,201.20 is: 97,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,259.04 : 310,896.60 = 65,201.20 : x
  2. Step 2: Convert to fraction form
    207,259.04/310,896.60 = 65,201.20/x
  3. Step 3: Cross multiply
    207,259.04x = 310,896.60 × 65,201.20
  4. Step 4: Simplify right side
    207,259.04x = 20,270,831,395.92
  5. Step 5: Solve for x
    x = 20,270,831,395.92/207,259.04
  6. Step 6: Final answer
    x = 97,804.33

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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.