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Finding the Fourth Proportional to 169,987,913.60, 254,394,004.80 and 101,879,484.80

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Solution

The fourth proportional to 169,987,913.60, 254,394,004.80 and 101,879,484.80 is: 152,466,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,987,913.60 : 254,394,004.80 = 101,879,484.80 : x
  2. Step 2: Convert to fraction form
    169,987,913.60/254,394,004.80 = 101,879,484.80/x
  3. Step 3: Cross multiply
    169,987,913.60x = 254,394,004.80 × 101,879,484.80
  4. Step 4: Simplify right side
    169,987,913.60x = 25,917,530,145,232,728
  5. Step 5: Solve for x
    x = 25,917,530,145,232,728/169,987,913.60
  6. Step 6: Final answer
    x = 152,466,899.54

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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.