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Finding the Fourth Proportional to 169,894.55, 234,449.48 and 93,413.75

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Solution

The fourth proportional to 169,894.55, 234,449.48 and 93,413.75 is: 128,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,894.55 : 234,449.48 = 93,413.75 : x
  2. Step 2: Convert to fraction form
    169,894.55/234,449.48 = 93,413.75/x
  3. Step 3: Cross multiply
    169,894.55x = 234,449.48 × 93,413.75
  4. Step 4: Simplify right side
    169,894.55x = 21,900,803,473.03
  5. Step 5: Solve for x
    x = 21,900,803,473.03/169,894.55
  6. Step 6: Final answer
    x = 128,908.22

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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.