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Finding the Fourth Proportional to 110,007.33, 151,808.90 and 61,609.70

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Solution

The fourth proportional to 110,007.33, 151,808.90 and 61,609.70 is: 85,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,007.33 : 151,808.90 = 61,609.70 : x
  2. Step 2: Convert to fraction form
    110,007.33/151,808.90 = 61,609.70/x
  3. Step 3: Cross multiply
    110,007.33x = 151,808.90 × 61,609.70
  4. Step 4: Simplify right side
    110,007.33x = 9,352,899,719.24
  5. Step 5: Solve for x
    x = 9,352,899,719.24/110,007.33
  6. Step 6: Final answer
    x = 85,020.70

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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.