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Finding the Fourth Proportional to 113,168.34, 156,178.80 and 62,867.34

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Solution

The fourth proportional to 113,168.34, 156,178.80 and 62,867.34 is: 86,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,168.34 : 156,178.80 = 62,867.34 : x
  2. Step 2: Convert to fraction form
    113,168.34/156,178.80 = 62,867.34/x
  3. Step 3: Cross multiply
    113,168.34x = 156,178.80 × 62,867.34
  4. Step 4: Simplify right side
    113,168.34x = 9,818,545,720.39
  5. Step 5: Solve for x
    x = 9,818,545,720.39/113,168.34
  6. Step 6: Final answer
    x = 86,760.53

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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.