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Finding the Fourth Proportional to 199,700,918.60, 299,551,377.90 and 199,700,918.60

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Solution

The fourth proportional to 199,700,918.60, 299,551,377.90 and 199,700,918.60 is: 299,551,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,700,918.60 : 299,551,377.90 = 199,700,918.60 : x
  2. Step 2: Convert to fraction form
    199,700,918.60/299,551,377.90 = 199,700,918.60/x
  3. Step 3: Cross multiply
    199,700,918.60x = 299,551,377.90 × 199,700,918.60
  4. Step 4: Simplify right side
    199,700,918.60x = 59,820,685,334,525,736
  5. Step 5: Solve for x
    x = 59,820,685,334,525,736/199,700,918.60
  6. Step 6: Final answer
    x = 299,551,377.90

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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.