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Finding the Fourth Proportional to 78,253.01, 107,994.51 and 44,261.52

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Solution

The fourth proportional to 78,253.01, 107,994.51 and 44,261.52 is: 61,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,253.01 : 107,994.51 = 44,261.52 : x
  2. Step 2: Convert to fraction form
    78,253.01/107,994.51 = 44,261.52/x
  3. Step 3: Cross multiply
    78,253.01x = 107,994.51 × 44,261.52
  4. Step 4: Simplify right side
    78,253.01x = 4,780,001,164.26
  5. Step 5: Solve for x
    x = 4,780,001,164.26/78,253.01
  6. Step 6: Final answer
    x = 61,083.93

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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.