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Finding the Fourth Proportional to 149,580.70, 224,480.40 and 99,644.20

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Solution

The fourth proportional to 149,580.70, 224,480.40 and 99,644.20 is: 149,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,580.70 : 224,480.40 = 99,644.20 : x
  2. Step 2: Convert to fraction form
    149,580.70/224,480.40 = 99,644.20/x
  3. Step 3: Cross multiply
    149,580.70x = 224,480.40 × 99,644.20
  4. Step 4: Simplify right side
    149,580.70x = 22,368,169,873.68
  5. Step 5: Solve for x
    x = 22,368,169,873.68/149,580.70
  6. Step 6: Final answer
    x = 149,539.14

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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.