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Finding the Fourth Proportional to 97,360.40, 145,959.60 and 41,243.60

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Solution

The fourth proportional to 97,360.40, 145,959.60 and 41,243.60 is: 61,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,360.40 : 145,959.60 = 41,243.60 : x
  2. Step 2: Convert to fraction form
    97,360.40/145,959.60 = 41,243.60/x
  3. Step 3: Cross multiply
    97,360.40x = 145,959.60 × 41,243.60
  4. Step 4: Simplify right side
    97,360.40x = 6,019,899,358.56
  5. Step 5: Solve for x
    x = 6,019,899,358.56/97,360.40
  6. Step 6: Final answer
    x = 61,831.09

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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.