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Finding the Fourth Proportional to 149,336.70, 224,005.05 and 55,830.30

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Solution

The fourth proportional to 149,336.70, 224,005.05 and 55,830.30 is: 83,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,336.70 : 224,005.05 = 55,830.30 : x
  2. Step 2: Convert to fraction form
    149,336.70/224,005.05 = 55,830.30/x
  3. Step 3: Cross multiply
    149,336.70x = 224,005.05 × 55,830.30
  4. Step 4: Simplify right side
    149,336.70x = 12,506,269,143.02
  5. Step 5: Solve for x
    x = 12,506,269,143.02/149,336.70
  6. Step 6: Final answer
    x = 83,745.45

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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.