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Finding the Fourth Proportional to 79,985.32, 110,380.62 and 46,010.68

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Solution

The fourth proportional to 79,985.32, 110,380.62 and 46,010.68 is: 63,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.32 : 110,380.62 = 46,010.68 : x
  2. Step 2: Convert to fraction form
    79,985.32/110,380.62 = 46,010.68/x
  3. Step 3: Cross multiply
    79,985.32x = 110,380.62 × 46,010.68
  4. Step 4: Simplify right side
    79,985.32x = 5,078,687,385.02
  5. Step 5: Solve for x
    x = 5,078,687,385.02/79,985.32
  6. Step 6: Final answer
    x = 63,495.24

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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.