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Finding the Fourth Proportional to 209,952,207.70, 314,928,311.55 and 195,603,300.70

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Solution

The fourth proportional to 209,952,207.70, 314,928,311.55 and 195,603,300.70 is: 293,404,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,207.70 : 314,928,311.55 = 195,603,300.70 : x
  2. Step 2: Convert to fraction form
    209,952,207.70/314,928,311.55 = 195,603,300.70/x
  3. Step 3: Cross multiply
    209,952,207.70x = 314,928,311.55 × 195,603,300.70
  4. Step 4: Simplify right side
    209,952,207.70x = 61,601,017,223,057,928
  5. Step 5: Solve for x
    x = 61,601,017,223,057,928/209,952,207.70
  6. Step 6: Final answer
    x = 293,404,951.05

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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.