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Finding the Fourth Proportional to 112,745.61, 169,122.53 and 37,868.22

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Solution

The fourth proportional to 112,745.61, 169,122.53 and 37,868.22 is: 56,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,745.61 : 169,122.53 = 37,868.22 : x
  2. Step 2: Convert to fraction form
    112,745.61/169,122.53 = 37,868.22/x
  3. Step 3: Cross multiply
    112,745.61x = 169,122.53 × 37,868.22
  4. Step 4: Simplify right side
    112,745.61x = 6,404,369,173.00
  5. Step 5: Solve for x
    x = 6,404,369,173.00/112,745.61
  6. Step 6: Final answer
    x = 56,803.71

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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.