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Finding the Fourth Proportional to 171,542.42, 236,602.05 and 117,836.18

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Solution

The fourth proportional to 171,542.42, 236,602.05 and 117,836.18 is: 162,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,542.42 : 236,602.05 = 117,836.18 : x
  2. Step 2: Convert to fraction form
    171,542.42/236,602.05 = 117,836.18/x
  3. Step 3: Cross multiply
    171,542.42x = 236,602.05 × 117,836.18
  4. Step 4: Simplify right side
    171,542.42x = 27,880,281,752.17
  5. Step 5: Solve for x
    x = 27,880,281,752.17/171,542.42
  6. Step 6: Final answer
    x = 162,527.04

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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.