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Finding the Fourth Proportional to 113,064.57, 156,028.41 and 62,078.22

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Solution

The fourth proportional to 113,064.57, 156,028.41 and 62,078.22 is: 85,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,064.57 : 156,028.41 = 62,078.22 : x
  2. Step 2: Convert to fraction form
    113,064.57/156,028.41 = 62,078.22/x
  3. Step 3: Cross multiply
    113,064.57x = 156,028.41 × 62,078.22
  4. Step 4: Simplify right side
    113,064.57x = 9,685,965,962.23
  5. Step 5: Solve for x
    x = 9,685,965,962.23/113,064.57
  6. Step 6: Final answer
    x = 85,667.56

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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.