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Finding the Fourth Proportional to 70,099.92, 96,733.44 and 41,806.08

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Solution

The fourth proportional to 70,099.92, 96,733.44 and 41,806.08 is: 57,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,099.92 : 96,733.44 = 41,806.08 : x
  2. Step 2: Convert to fraction form
    70,099.92/96,733.44 = 41,806.08/x
  3. Step 3: Cross multiply
    70,099.92x = 96,733.44 × 41,806.08
  4. Step 4: Simplify right side
    70,099.92x = 4,044,045,931.32
  5. Step 5: Solve for x
    x = 4,044,045,931.32/70,099.92
  6. Step 6: Final answer
    x = 57,689.74

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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.