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Finding the Fourth Proportional to 149,720,212.80, 224,580,319.20 and 149,720,212.80

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Solution

The fourth proportional to 149,720,212.80, 224,580,319.20 and 149,720,212.80 is: 224,580,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720,212.80 : 224,580,319.20 = 149,720,212.80 : x
  2. Step 2: Convert to fraction form
    149,720,212.80/224,580,319.20 = 149,720,212.80/x
  3. Step 3: Cross multiply
    149,720,212.80x = 224,580,319.20 × 149,720,212.80
  4. Step 4: Simplify right side
    149,720,212.80x = 33,624,213,181,315,928
  5. Step 5: Solve for x
    x = 33,624,213,181,315,928/149,720,212.80
  6. Step 6: Final answer
    x = 224,580,319.20

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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.