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Finding the Fourth Proportional to 169,400.57, 254,058.22 and 69,588.32

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Solution

The fourth proportional to 169,400.57, 254,058.22 and 69,588.32 is: 104,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,400.57 : 254,058.22 = 69,588.32 : x
  2. Step 2: Convert to fraction form
    169,400.57/254,058.22 = 69,588.32/x
  3. Step 3: Cross multiply
    169,400.57x = 254,058.22 × 69,588.32
  4. Step 4: Simplify right side
    169,400.57x = 17,679,483,528.68
  5. Step 5: Solve for x
    x = 17,679,483,528.68/169,400.57
  6. Step 6: Final answer
    x = 104,364.96

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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.