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Finding the Fourth Proportional to 105,149.57, 145,104.48 and 59,826.56

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Solution

The fourth proportional to 105,149.57, 145,104.48 and 59,826.56 is: 82,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,149.57 : 145,104.48 = 59,826.56 : x
  2. Step 2: Convert to fraction form
    105,149.57/145,104.48 = 59,826.56/x
  3. Step 3: Cross multiply
    105,149.57x = 145,104.48 × 59,826.56
  4. Step 4: Simplify right side
    105,149.57x = 8,681,101,153.47
  5. Step 5: Solve for x
    x = 8,681,101,153.47/105,149.57
  6. Step 6: Final answer
    x = 82,559.55

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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.