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Finding the Fourth Proportional to 293,577.96, 405,139.13 and 164,516.74

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Solution

The fourth proportional to 293,577.96, 405,139.13 and 164,516.74 is: 227,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,577.96 : 405,139.13 = 164,516.74 : x
  2. Step 2: Convert to fraction form
    293,577.96/405,139.13 = 164,516.74/x
  3. Step 3: Cross multiply
    293,577.96x = 405,139.13 × 164,516.74
  4. Step 4: Simplify right side
    293,577.96x = 66,652,168,091.45
  5. Step 5: Solve for x
    x = 66,652,168,091.45/293,577.96
  6. Step 6: Final answer
    x = 227,033.97

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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.