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Finding the Fourth Proportional to 98,580.91, 148,180.05 and 65,062.34

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Solution

The fourth proportional to 98,580.91, 148,180.05 and 65,062.34 is: 97,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,580.91 : 148,180.05 = 65,062.34 : x
  2. Step 2: Convert to fraction form
    98,580.91/148,180.05 = 65,062.34/x
  3. Step 3: Cross multiply
    98,580.91x = 148,180.05 × 65,062.34
  4. Step 4: Simplify right side
    98,580.91x = 9,640,940,794.32
  5. Step 5: Solve for x
    x = 9,640,940,794.32/98,580.91
  6. Step 6: Final answer
    x = 97,797.24

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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.