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Finding the Fourth Proportional to 133,619,719.80, 187,322,699.40 and 133,619,719.80

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Solution

The fourth proportional to 133,619,719.80, 187,322,699.40 and 133,619,719.80 is: 187,322,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619,719.80 : 187,322,699.40 = 133,619,719.80 : x
  2. Step 2: Convert to fraction form
    133,619,719.80/187,322,699.40 = 133,619,719.80/x
  3. Step 3: Cross multiply
    133,619,719.80x = 187,322,699.40 × 133,619,719.80
  4. Step 4: Simplify right side
    133,619,719.80x = 25,030,006,606,007,628
  5. Step 5: Solve for x
    x = 25,030,006,606,007,628/133,619,719.80
  6. Step 6: Final answer
    x = 187,322,699.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.