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Finding the Fourth Proportional to 149,485,512.80, 223,803,116.40 and 149,485,512.80

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Solution

The fourth proportional to 149,485,512.80, 223,803,116.40 and 149,485,512.80 is: 223,803,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485,512.80 : 223,803,116.40 = 149,485,512.80 : x
  2. Step 2: Convert to fraction form
    149,485,512.80/223,803,116.40 = 149,485,512.80/x
  3. Step 3: Cross multiply
    149,485,512.80x = 223,803,116.40 × 149,485,512.80
  4. Step 4: Simplify right side
    149,485,512.80x = 33,455,323,621,292,092
  5. Step 5: Solve for x
    x = 33,455,323,621,292,092/149,485,512.80
  6. Step 6: Final answer
    x = 223,803,116.40

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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.