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Finding the Fourth Proportional to 93,891.65, 129,495.02 and 82,536.98

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Solution

The fourth proportional to 93,891.65, 129,495.02 and 82,536.98 is: 113,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,891.65 : 129,495.02 = 82,536.98 : x
  2. Step 2: Convert to fraction form
    93,891.65/129,495.02 = 82,536.98/x
  3. Step 3: Cross multiply
    93,891.65x = 129,495.02 × 82,536.98
  4. Step 4: Simplify right side
    93,891.65x = 10,688,126,815.68
  5. Step 5: Solve for x
    x = 10,688,126,815.68/93,891.65
  6. Step 6: Final answer
    x = 113,834.70

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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.