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Finding the Fourth Proportional to 169,987,911.60, 254,394,001.80 and 101,879,482.80

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Solution

The fourth proportional to 169,987,911.60, 254,394,001.80 and 101,879,482.80 is: 152,466,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,987,911.60 : 254,394,001.80 = 101,879,482.80 : x
  2. Step 2: Convert to fraction form
    169,987,911.60/254,394,001.80 = 101,879,482.80/x
  3. Step 3: Cross multiply
    169,987,911.60x = 254,394,001.80 × 101,879,482.80
  4. Step 4: Simplify right side
    169,987,911.60x = 25,917,529,330,806,268
  5. Step 5: Solve for x
    x = 25,917,529,330,806,268/169,987,911.60
  6. Step 6: Final answer
    x = 152,466,896.54

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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.