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Finding the Fourth Proportional to 70,305,157.01, 105,419,291.36 and 55,825,092.02

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Solution

The fourth proportional to 70,305,157.01, 105,419,291.36 and 55,825,092.02 is: 83,707,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305,157.01 : 105,419,291.36 = 55,825,092.02 : x
  2. Step 2: Convert to fraction form
    70,305,157.01/105,419,291.36 = 55,825,092.02/x
  3. Step 3: Cross multiply
    70,305,157.01x = 105,419,291.36 × 55,825,092.02
  4. Step 4: Simplify right side
    70,305,157.01x = 5,885,041,640,048,969
  5. Step 5: Solve for x
    x = 5,885,041,640,048,969/70,305,157.01
  6. Step 6: Final answer
    x = 83,707,111.84

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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.