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Finding the Fourth Proportional to 116,262.92, 174,393.42 and 76,995.74

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Solution

The fourth proportional to 116,262.92, 174,393.42 and 76,995.74 is: 115,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,262.92 : 174,393.42 = 76,995.74 : x
  2. Step 2: Convert to fraction form
    116,262.92/174,393.42 = 76,995.74/x
  3. Step 3: Cross multiply
    116,262.92x = 174,393.42 × 76,995.74
  4. Step 4: Simplify right side
    116,262.92x = 13,427,550,424.03
  5. Step 5: Solve for x
    x = 13,427,550,424.03/116,262.92
  6. Step 6: Final answer
    x = 115,492.97

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1.5x scale

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.