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Finding the Fourth Proportional to 79,746.22, 110,053.50 and 47,473.53

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Solution

The fourth proportional to 79,746.22, 110,053.50 and 47,473.53 is: 65,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.22 : 110,053.50 = 47,473.53 : x
  2. Step 2: Convert to fraction form
    79,746.22/110,053.50 = 47,473.53/x
  3. Step 3: Cross multiply
    79,746.22x = 110,053.50 × 47,473.53
  4. Step 4: Simplify right side
    79,746.22x = 5,224,628,133.86
  5. Step 5: Solve for x
    x = 5,224,628,133.86/79,746.22
  6. Step 6: Final answer
    x = 65,515.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.