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Finding the Fourth Proportional to 65,849.36, 98,893.02 and 60,574.64

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Solution

The fourth proportional to 65,849.36, 98,893.02 and 60,574.64 is: 90,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.36 : 98,893.02 = 60,574.64 : x
  2. Step 2: Convert to fraction form
    65,849.36/98,893.02 = 60,574.64/x
  3. Step 3: Cross multiply
    65,849.36x = 98,893.02 × 60,574.64
  4. Step 4: Simplify right side
    65,849.36x = 5,990,409,085.01
  5. Step 5: Solve for x
    x = 5,990,409,085.01/65,849.36
  6. Step 6: Final answer
    x = 90,971.41

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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.