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Finding the Fourth Proportional to 92,525.94, 138,768.14 and 42,558.04

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Solution

The fourth proportional to 92,525.94, 138,768.14 and 42,558.04 is: 63,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,525.94 : 138,768.14 = 42,558.04 : x
  2. Step 2: Convert to fraction form
    92,525.94/138,768.14 = 42,558.04/x
  3. Step 3: Cross multiply
    92,525.94x = 138,768.14 × 42,558.04
  4. Step 4: Simplify right side
    92,525.94x = 5,905,700,332.70
  5. Step 5: Solve for x
    x = 5,905,700,332.70/92,525.94
  6. Step 6: Final answer
    x = 63,827.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.