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Finding the Fourth Proportional to 193,778,720.70, 290,668,081.05 and 193,778,720.70

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Solution

The fourth proportional to 193,778,720.70, 290,668,081.05 and 193,778,720.70 is: 290,668,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,778,720.70 : 290,668,081.05 = 193,778,720.70 : x
  2. Step 2: Convert to fraction form
    193,778,720.70/290,668,081.05 = 193,778,720.70/x
  3. Step 3: Cross multiply
    193,778,720.70x = 290,668,081.05 × 193,778,720.70
  4. Step 4: Simplify right side
    193,778,720.70x = 56,325,288,894,192,912
  5. Step 5: Solve for x
    x = 56,325,288,894,192,912/193,778,720.70
  6. Step 6: Final answer
    x = 290,668,081.05

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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.