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Finding the Fourth Proportional to 125,413.14, 173,069.97 and 71,699.34

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Solution

The fourth proportional to 125,413.14, 173,069.97 and 71,699.34 is: 98,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,413.14 : 173,069.97 = 71,699.34 : x
  2. Step 2: Convert to fraction form
    125,413.14/173,069.97 = 71,699.34/x
  3. Step 3: Cross multiply
    125,413.14x = 173,069.97 × 71,699.34
  4. Step 4: Simplify right side
    125,413.14x = 12,409,002,622.82
  5. Step 5: Solve for x
    x = 12,409,002,622.82/125,413.14
  6. Step 6: Final answer
    x = 98,945.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.