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Finding the Fourth Proportional to 76,079.69, 114,146.55 and 33,955.94

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Solution

The fourth proportional to 76,079.69, 114,146.55 and 33,955.94 is: 50,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079.69 : 114,146.55 = 33,955.94 : x
  2. Step 2: Convert to fraction form
    76,079.69/114,146.55 = 33,955.94/x
  3. Step 3: Cross multiply
    76,079.69x = 114,146.55 × 33,955.94
  4. Step 4: Simplify right side
    76,079.69x = 3,875,953,403.01
  5. Step 5: Solve for x
    x = 3,875,953,403.01/76,079.69
  6. Step 6: Final answer
    x = 50,945.97

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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.