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Finding the Fourth Proportional to 190,815,065.70, 286,222,598.55 and 190,815,065.70

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Solution

The fourth proportional to 190,815,065.70, 286,222,598.55 and 190,815,065.70 is: 286,222,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,815,065.70 : 286,222,598.55 = 190,815,065.70 : x
  2. Step 2: Convert to fraction form
    190,815,065.70/286,222,598.55 = 190,815,065.70/x
  3. Step 3: Cross multiply
    190,815,065.70x = 286,222,598.55 × 190,815,065.70
  4. Step 4: Simplify right side
    190,815,065.70x = 54,615,583,947,142,976
  5. Step 5: Solve for x
    x = 54,615,583,947,142,976/190,815,065.70
  6. Step 6: Final answer
    x = 286,222,598.55

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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.