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Finding the Fourth Proportional to 93,910.12, 129,595.71 and 50,890.80

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Solution

The fourth proportional to 93,910.12, 129,595.71 and 50,890.80 is: 70,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,910.12 : 129,595.71 = 50,890.80 : x
  2. Step 2: Convert to fraction form
    93,910.12/129,595.71 = 50,890.80/x
  3. Step 3: Cross multiply
    93,910.12x = 129,595.71 × 50,890.80
  4. Step 4: Simplify right side
    93,910.12x = 6,595,229,358.47
  5. Step 5: Solve for x
    x = 6,595,229,358.47/93,910.12
  6. Step 6: Final answer
    x = 70,229.17

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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.