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Finding the Fourth Proportional to 113,606.58, 156,788.74 and 68,299.32

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Solution

The fourth proportional to 113,606.58, 156,788.74 and 68,299.32 is: 94,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.58 : 156,788.74 = 68,299.32 : x
  2. Step 2: Convert to fraction form
    113,606.58/156,788.74 = 68,299.32/x
  3. Step 3: Cross multiply
    113,606.58x = 156,788.74 × 68,299.32
  4. Step 4: Simplify right side
    113,606.58x = 10,708,564,325.66
  5. Step 5: Solve for x
    x = 10,708,564,325.66/113,606.58
  6. Step 6: Final answer
    x = 94,260.07

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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.