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Finding the Fourth Proportional to 84,599.78, 116,747.72 and 50,609.69

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Solution

The fourth proportional to 84,599.78, 116,747.72 and 50,609.69 is: 69,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,599.78 : 116,747.72 = 50,609.69 : x
  2. Step 2: Convert to fraction form
    84,599.78/116,747.72 = 50,609.69/x
  3. Step 3: Cross multiply
    84,599.78x = 116,747.72 × 50,609.69
  4. Step 4: Simplify right side
    84,599.78x = 5,908,565,460.19
  5. Step 5: Solve for x
    x = 5,908,565,460.19/84,599.78
  6. Step 6: Final answer
    x = 69,841.38

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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.