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Finding the Fourth Proportional to 96,511.79, 133,187.22 and 53,492.22

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Solution

The fourth proportional to 96,511.79, 133,187.22 and 53,492.22 is: 73,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,511.79 : 133,187.22 = 53,492.22 : x
  2. Step 2: Convert to fraction form
    96,511.79/133,187.22 = 53,492.22/x
  3. Step 3: Cross multiply
    96,511.79x = 133,187.22 × 53,492.22
  4. Step 4: Simplify right side
    96,511.79x = 7,124,480,073.43
  5. Step 5: Solve for x
    x = 7,124,480,073.43/96,511.79
  6. Step 6: Final answer
    x = 73,819.79

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1.5x scale

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.