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Finding the Fourth Proportional to 190,656,074.40, 285,417,241.20 and 190,656,074.40

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Solution

The fourth proportional to 190,656,074.40, 285,417,241.20 and 190,656,074.40 is: 285,417,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656,074.40 : 285,417,241.20 = 190,656,074.40 : x
  2. Step 2: Convert to fraction form
    190,656,074.40/285,417,241.20 = 190,656,074.40/x
  3. Step 3: Cross multiply
    190,656,074.40x = 285,417,241.20 × 190,656,074.40
  4. Step 4: Simplify right side
    190,656,074.40x = 54,416,530,773,269,944
  5. Step 5: Solve for x
    x = 54,416,530,773,269,944/190,656,074.40
  6. Step 6: Final answer
    x = 285,417,241.20

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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.