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Finding the Fourth Proportional to 79,603.51, 109,851.24 and 43,792.60

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Solution

The fourth proportional to 79,603.51, 109,851.24 and 43,792.60 is: 60,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603.51 : 109,851.24 = 43,792.60 : x
  2. Step 2: Convert to fraction form
    79,603.51/109,851.24 = 43,792.60/x
  3. Step 3: Cross multiply
    79,603.51x = 109,851.24 × 43,792.60
  4. Step 4: Simplify right side
    79,603.51x = 4,810,671,412.82
  5. Step 5: Solve for x
    x = 4,810,671,412.82/79,603.51
  6. Step 6: Final answer
    x = 60,432.91

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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.