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Finding the Fourth Proportional to 227,210.72, 340,877.36 and 69,434.80

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Solution

The fourth proportional to 227,210.72, 340,877.36 and 69,434.80 is: 104,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,210.72 : 340,877.36 = 69,434.80 : x
  2. Step 2: Convert to fraction form
    227,210.72/340,877.36 = 69,434.80/x
  3. Step 3: Cross multiply
    227,210.72x = 340,877.36 × 69,434.80
  4. Step 4: Simplify right side
    227,210.72x = 23,668,751,316.13
  5. Step 5: Solve for x
    x = 23,668,751,316.13/227,210.72
  6. Step 6: Final answer
    x = 104,170.93

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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.