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Finding the Fourth Proportional to 149,485,728.80, 223,803,440.40 and 149,485,728.80

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Solution

The fourth proportional to 149,485,728.80, 223,803,440.40 and 149,485,728.80 is: 223,803,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485,728.80 : 223,803,440.40 = 149,485,728.80 : x
  2. Step 2: Convert to fraction form
    149,485,728.80/223,803,440.40 = 149,485,728.80/x
  3. Step 3: Cross multiply
    149,485,728.80x = 223,803,440.40 × 149,485,728.80
  4. Step 4: Simplify right side
    149,485,728.80x = 33,455,420,396,141,368
  5. Step 5: Solve for x
    x = 33,455,420,396,141,368/149,485,728.80
  6. Step 6: Final answer
    x = 223,803,440.40

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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.