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Finding the Fourth Proportional to 171,333.42, 236,407.31 and 110,895.68

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Solution

The fourth proportional to 171,333.42, 236,407.31 and 110,895.68 is: 153,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,333.42 : 236,407.31 = 110,895.68 : x
  2. Step 2: Convert to fraction form
    171,333.42/236,407.31 = 110,895.68/x
  3. Step 3: Cross multiply
    171,333.42x = 236,407.31 × 110,895.68
  4. Step 4: Simplify right side
    171,333.42x = 26,216,549,145.82
  5. Step 5: Solve for x
    x = 26,216,549,145.82/171,333.42
  6. Step 6: Final answer
    x = 153,014.80

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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.