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Finding the Fourth Proportional to 201,285,798.59, 301,853,939.39 and 70,094,384.05

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Solution

The fourth proportional to 201,285,798.59, 301,853,939.39 and 70,094,384.05 is: 105,115,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,285,798.59 : 301,853,939.39 = 70,094,384.05 : x
  2. Step 2: Convert to fraction form
    201,285,798.59/301,853,939.39 = 70,094,384.05/x
  3. Step 3: Cross multiply
    201,285,798.59x = 301,853,939.39 × 70,094,384.05
  4. Step 4: Simplify right side
    201,285,798.59x = 21,158,265,954,608,080
  5. Step 5: Solve for x
    x = 21,158,265,954,608,080/201,285,798.59
  6. Step 6: Final answer
    x = 105,115,542.69

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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.