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Finding the Fourth Proportional to 171,490, 236,656.32 and 96,040.24

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Solution

The fourth proportional to 171,490, 236,656.32 and 96,040.24 is: 132,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,490 : 236,656.32 = 96,040.24 : x
  2. Step 2: Convert to fraction form
    171,490/236,656.32 = 96,040.24/x
  3. Step 3: Cross multiply
    171,490x = 236,656.32 × 96,040.24
  4. Step 4: Simplify right side
    171,490x = 22,728,529,770.32
  5. Step 5: Solve for x
    x = 22,728,529,770.32/171,490
  6. Step 6: Final answer
    x = 132,535.60

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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.