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Finding the Fourth Proportional to 100,404,798.70, 150,607,198.05 and 100,404,798.70

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Solution

The fourth proportional to 100,404,798.70, 150,607,198.05 and 100,404,798.70 is: 150,607,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404,798.70 : 150,607,198.05 = 100,404,798.70 : x
  2. Step 2: Convert to fraction form
    100,404,798.70/150,607,198.05 = 100,404,798.70/x
  3. Step 3: Cross multiply
    100,404,798.70x = 150,607,198.05 × 100,404,798.70
  4. Step 4: Simplify right side
    100,404,798.70x = 15,121,685,402,981,284
  5. Step 5: Solve for x
    x = 15,121,685,402,981,284/100,404,798.70
  6. Step 6: Final answer
    x = 150,607,198.05

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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.