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Finding the Fourth Proportional to 230,603.20, 346,099.20 and 112,375.60

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Solution

The fourth proportional to 230,603.20, 346,099.20 and 112,375.60 is: 168,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,603.20 : 346,099.20 = 112,375.60 : x
  2. Step 2: Convert to fraction form
    230,603.20/346,099.20 = 112,375.60/x
  3. Step 3: Cross multiply
    230,603.20x = 346,099.20 × 112,375.60
  4. Step 4: Simplify right side
    230,603.20x = 38,893,105,259.52
  5. Step 5: Solve for x
    x = 38,893,105,259.52/230,603.20
  6. Step 6: Final answer
    x = 168,658.13

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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.