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Finding the Fourth Proportional to 199,728,259.60, 299,144,491.80 and 199,728,259.60

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Solution

The fourth proportional to 199,728,259.60, 299,144,491.80 and 199,728,259.60 is: 299,144,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,728,259.60 : 299,144,491.80 = 199,728,259.60 : x
  2. Step 2: Convert to fraction form
    199,728,259.60/299,144,491.80 = 199,728,259.60/x
  3. Step 3: Cross multiply
    199,728,259.60x = 299,144,491.80 × 199,728,259.60
  4. Step 4: Simplify right side
    199,728,259.60x = 59,747,608,716,140,472
  5. Step 5: Solve for x
    x = 59,747,608,716,140,472/199,728,259.60
  6. Step 6: Final answer
    x = 299,144,491.80

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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.