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Finding the Fourth Proportional to 149,360.40, 224,040.60 and 133,030.80

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Solution

The fourth proportional to 149,360.40, 224,040.60 and 133,030.80 is: 199,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,360.40 : 224,040.60 = 133,030.80 : x
  2. Step 2: Convert to fraction form
    149,360.40/224,040.60 = 133,030.80/x
  3. Step 3: Cross multiply
    149,360.40x = 224,040.60 × 133,030.80
  4. Step 4: Simplify right side
    149,360.40x = 29,804,300,250.48
  5. Step 5: Solve for x
    x = 29,804,300,250.48/149,360.40
  6. Step 6: Final answer
    x = 199,546.20

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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.