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Finding the Fourth Proportional to 64,759.36, 97,100.16 and 43,919.68

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Solution

The fourth proportional to 64,759.36, 97,100.16 and 43,919.68 is: 65,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.36 : 97,100.16 = 43,919.68 : x
  2. Step 2: Convert to fraction form
    64,759.36/97,100.16 = 43,919.68/x
  3. Step 3: Cross multiply
    64,759.36x = 97,100.16 × 43,919.68
  4. Step 4: Simplify right side
    64,759.36x = 4,264,607,955.15
  5. Step 5: Solve for x
    x = 4,264,607,955.15/64,759.36
  6. Step 6: Final answer
    x = 65,853.15

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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.