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Finding the Fourth Proportional to 191,714,443.20, 287,571,664.80 and 191,714,443.20

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Solution

The fourth proportional to 191,714,443.20, 287,571,664.80 and 191,714,443.20 is: 287,571,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,714,443.20 : 287,571,664.80 = 191,714,443.20 : x
  2. Step 2: Convert to fraction form
    191,714,443.20/287,571,664.80 = 191,714,443.20/x
  3. Step 3: Cross multiply
    191,714,443.20x = 287,571,664.80 × 191,714,443.20
  4. Step 4: Simplify right side
    191,714,443.20x = 55,131,641,597,229,040
  5. Step 5: Solve for x
    x = 55,131,641,597,229,040/191,714,443.20
  6. Step 6: Final answer
    x = 287,571,664.80

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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.