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Finding the Fourth Proportional to 189,558,413.40, 266,147,053.80 and 189,558,413.40

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Solution

The fourth proportional to 189,558,413.40, 266,147,053.80 and 189,558,413.40 is: 266,147,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558,413.40 : 266,147,053.80 = 189,558,413.40 : x
  2. Step 2: Convert to fraction form
    189,558,413.40/266,147,053.80 = 189,558,413.40/x
  3. Step 3: Cross multiply
    189,558,413.40x = 266,147,053.80 × 189,558,413.40
  4. Step 4: Simplify right side
    189,558,413.40x = 50,450,413,249,412,448
  5. Step 5: Solve for x
    x = 50,450,413,249,412,448/189,558,413.40
  6. Step 6: Final answer
    x = 266,147,053.80

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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.