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Finding the Fourth Proportional to 112,264.92, 168,307.94 and 64,826.26

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Solution

The fourth proportional to 112,264.92, 168,307.94 and 64,826.26 is: 97,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.92 : 168,307.94 = 64,826.26 : x
  2. Step 2: Convert to fraction form
    112,264.92/168,307.94 = 64,826.26/x
  3. Step 3: Cross multiply
    112,264.92x = 168,307.94 × 64,826.26
  4. Step 4: Simplify right side
    112,264.92x = 10,910,774,019.80
  5. Step 5: Solve for x
    x = 10,910,774,019.80/112,264.92
  6. Step 6: Final answer
    x = 97,187.74

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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.