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Finding the Fourth Proportional to 79,894.88, 110,255.28 and 46,360.16

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Solution

The fourth proportional to 79,894.88, 110,255.28 and 46,360.16 is: 63,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894.88 : 110,255.28 = 46,360.16 : x
  2. Step 2: Convert to fraction form
    79,894.88/110,255.28 = 46,360.16/x
  3. Step 3: Cross multiply
    79,894.88x = 110,255.28 × 46,360.16
  4. Step 4: Simplify right side
    79,894.88x = 5,111,452,421.64
  5. Step 5: Solve for x
    x = 5,111,452,421.64/79,894.88
  6. Step 6: Final answer
    x = 63,977.22

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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.