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Finding the Fourth Proportional to 250,266.48, 345,090.99 and 159,478.64

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Solution

The fourth proportional to 250,266.48, 345,090.99 and 159,478.64 is: 219,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,266.48 : 345,090.99 = 159,478.64 : x
  2. Step 2: Convert to fraction form
    250,266.48/345,090.99 = 159,478.64/x
  3. Step 3: Cross multiply
    250,266.48x = 345,090.99 × 159,478.64
  4. Step 4: Simplify right side
    250,266.48x = 55,034,641,761.45
  5. Step 5: Solve for x
    x = 55,034,641,761.45/250,266.48
  6. Step 6: Final answer
    x = 219,904.17

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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.