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Finding the Fourth Proportional to 172,033,749.60, 257,882,662.80 and 153,893,896.80

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Solution

The fourth proportional to 172,033,749.60, 257,882,662.80 and 153,893,896.80 is: 230,690,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,033,749.60 : 257,882,662.80 = 153,893,896.80 : x
  2. Step 2: Convert to fraction form
    172,033,749.60/257,882,662.80 = 153,893,896.80/x
  3. Step 3: Cross multiply
    172,033,749.60x = 257,882,662.80 × 153,893,896.80
  4. Step 4: Simplify right side
    172,033,749.60x = 39,686,567,895,452,400
  5. Step 5: Solve for x
    x = 39,686,567,895,452,400/172,033,749.60
  6. Step 6: Final answer
    x = 230,690,594.07

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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.