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Finding the Fourth Proportional to 149,658.40, 224,185.20 and 93,325.60

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Solution

The fourth proportional to 149,658.40, 224,185.20 and 93,325.60 is: 139,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,658.40 : 224,185.20 = 93,325.60 : x
  2. Step 2: Convert to fraction form
    149,658.40/224,185.20 = 93,325.60/x
  3. Step 3: Cross multiply
    149,658.40x = 224,185.20 × 93,325.60
  4. Step 4: Simplify right side
    149,658.40x = 20,922,218,301.12
  5. Step 5: Solve for x
    x = 20,922,218,301.12/149,658.40
  6. Step 6: Final answer
    x = 139,799.83

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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.