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Finding the Fourth Proportional to 78,875.96, 108,858.38 and 44,892.72

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Solution

The fourth proportional to 78,875.96, 108,858.38 and 44,892.72 is: 61,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,875.96 : 108,858.38 = 44,892.72 : x
  2. Step 2: Convert to fraction form
    78,875.96/108,858.38 = 44,892.72/x
  3. Step 3: Cross multiply
    78,875.96x = 108,858.38 × 44,892.72
  4. Step 4: Simplify right side
    78,875.96x = 4,886,948,772.99
  5. Step 5: Solve for x
    x = 4,886,948,772.99/78,875.96
  6. Step 6: Final answer
    x = 61,957.39

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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.