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Finding the Fourth Proportional to 65,376.29, 98,064.44 and 45,693.29

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Solution

The fourth proportional to 65,376.29, 98,064.44 and 45,693.29 is: 68,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376.29 : 98,064.44 = 45,693.29 : x
  2. Step 2: Convert to fraction form
    65,376.29/98,064.44 = 45,693.29/x
  3. Step 3: Cross multiply
    65,376.29x = 98,064.44 × 45,693.29
  4. Step 4: Simplify right side
    65,376.29x = 4,480,887,255.00
  5. Step 5: Solve for x
    x = 4,480,887,255.00/65,376.29
  6. Step 6: Final answer
    x = 68,539.94

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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.