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Finding the Fourth Proportional to 201,285,798.41, 301,853,939.10 and 70,094,383.87

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Solution

The fourth proportional to 201,285,798.41, 301,853,939.10 and 70,094,383.87 is: 105,115,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,285,798.41 : 301,853,939.10 = 70,094,383.87 : x
  2. Step 2: Convert to fraction form
    201,285,798.41/301,853,939.10 = 70,094,383.87/x
  3. Step 3: Cross multiply
    201,285,798.41x = 301,853,939.10 × 70,094,383.87
  4. Step 4: Simplify right side
    201,285,798.41x = 21,158,265,879,947,004
  5. Step 5: Solve for x
    x = 21,158,265,879,947,004/201,285,798.41
  6. Step 6: Final answer
    x = 105,115,542.41

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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.