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Finding the Fourth Proportional to 73,253.76, 109,783.44 and 26,461.68

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Solution

The fourth proportional to 73,253.76, 109,783.44 and 26,461.68 is: 39,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.76 : 109,783.44 = 26,461.68 : x
  2. Step 2: Convert to fraction form
    73,253.76/109,783.44 = 26,461.68/x
  3. Step 3: Cross multiply
    73,253.76x = 109,783.44 × 26,461.68
  4. Step 4: Simplify right side
    73,253.76x = 2,905,054,258.58
  5. Step 5: Solve for x
    x = 2,905,054,258.58/73,253.76
  6. Step 6: Final answer
    x = 39,657.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.