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Finding the Fourth Proportional to 149,485,728.30, 223,803,439.65 and 149,485,728.30

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Solution

The fourth proportional to 149,485,728.30, 223,803,439.65 and 149,485,728.30 is: 223,803,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485,728.30 : 223,803,439.65 = 149,485,728.30 : x
  2. Step 2: Convert to fraction form
    149,485,728.30/223,803,439.65 = 149,485,728.30/x
  3. Step 3: Cross multiply
    149,485,728.30x = 223,803,439.65 × 149,485,728.30
  4. Step 4: Simplify right side
    149,485,728.30x = 33,455,420,172,125,352
  5. Step 5: Solve for x
    x = 33,455,420,172,125,352/149,485,728.30
  6. Step 6: Final answer
    x = 223,803,439.65

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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.