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Finding the Fourth Proportional to 78,444.48, 108,241.20 and 44,904

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Solution

The fourth proportional to 78,444.48, 108,241.20 and 44,904 is: 61,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,444.48 : 108,241.20 = 44,904 : x
  2. Step 2: Convert to fraction form
    78,444.48/108,241.20 = 44,904/x
  3. Step 3: Cross multiply
    78,444.48x = 108,241.20 × 44,904
  4. Step 4: Simplify right side
    78,444.48x = 4,860,462,844.80
  5. Step 5: Solve for x
    x = 4,860,462,844.80/78,444.48
  6. Step 6: Final answer
    x = 61,960.55

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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.