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Finding the Fourth Proportional to 103,745.91, 155,369.37 and 59,237.76

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Solution

The fourth proportional to 103,745.91, 155,369.37 and 59,237.76 is: 88,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,745.91 : 155,369.37 = 59,237.76 : x
  2. Step 2: Convert to fraction form
    103,745.91/155,369.37 = 59,237.76/x
  3. Step 3: Cross multiply
    103,745.91x = 155,369.37 × 59,237.76
  4. Step 4: Simplify right side
    103,745.91x = 9,203,733,451.41
  5. Step 5: Solve for x
    x = 9,203,733,451.41/103,745.91
  6. Step 6: Final answer
    x = 88,714.18

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1.5x scale

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.