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Finding the Fourth Proportional to 65,603.36, 98,357.36 and 26,148.64

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Solution

The fourth proportional to 65,603.36, 98,357.36 and 26,148.64 is: 39,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,603.36 : 98,357.36 = 26,148.64 : x
  2. Step 2: Convert to fraction form
    65,603.36/98,357.36 = 26,148.64/x
  3. Step 3: Cross multiply
    65,603.36x = 98,357.36 × 26,148.64
  4. Step 4: Simplify right side
    65,603.36x = 2,571,911,197.99
  5. Step 5: Solve for x
    x = 2,571,911,197.99/65,603.36
  6. Step 6: Final answer
    x = 39,203.96

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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.