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Finding the Fourth Proportional to 149,490.68, 224,314.10 and 60,809.72

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Solution

The fourth proportional to 149,490.68, 224,314.10 and 60,809.72 is: 91,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490.68 : 224,314.10 = 60,809.72 : x
  2. Step 2: Convert to fraction form
    149,490.68/224,314.10 = 60,809.72/x
  3. Step 3: Cross multiply
    149,490.68x = 224,314.10 × 60,809.72
  4. Step 4: Simplify right side
    149,490.68x = 13,640,477,613.05
  5. Step 5: Solve for x
    x = 13,640,477,613.05/149,490.68
  6. Step 6: Final answer
    x = 91,246.34

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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.