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Finding the Fourth Proportional to 114,967,609.30, 172,451,413.95 and 114,967,609.30

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Solution

The fourth proportional to 114,967,609.30, 172,451,413.95 and 114,967,609.30 is: 172,451,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967,609.30 : 172,451,413.95 = 114,967,609.30 : x
  2. Step 2: Convert to fraction form
    114,967,609.30/172,451,413.95 = 114,967,609.30/x
  3. Step 3: Cross multiply
    114,967,609.30x = 172,451,413.95 × 114,967,609.30
  4. Step 4: Simplify right side
    114,967,609.30x = 19,826,326,782,236,168
  5. Step 5: Solve for x
    x = 19,826,326,782,236,168/114,967,609.30
  6. Step 6: Final answer
    x = 172,451,413.95

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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.