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Finding the Fourth Proportional to 70,503.27, 105,762.20 and 23,759.79

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Solution

The fourth proportional to 70,503.27, 105,762.20 and 23,759.79 is: 35,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,503.27 : 105,762.20 = 23,759.79 : x
  2. Step 2: Convert to fraction form
    70,503.27/105,762.20 = 23,759.79/x
  3. Step 3: Cross multiply
    70,503.27x = 105,762.20 × 23,759.79
  4. Step 4: Simplify right side
    70,503.27x = 2,512,887,543.14
  5. Step 5: Solve for x
    x = 2,512,887,543.14/70,503.27
  6. Step 6: Final answer
    x = 35,642.14

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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.