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Finding the Fourth Proportional to 166,413.78, 229,624.20 and 94,795.20

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Solution

The fourth proportional to 166,413.78, 229,624.20 and 94,795.20 is: 130,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,413.78 : 229,624.20 = 94,795.20 : x
  2. Step 2: Convert to fraction form
    166,413.78/229,624.20 = 94,795.20/x
  3. Step 3: Cross multiply
    166,413.78x = 229,624.20 × 94,795.20
  4. Step 4: Simplify right side
    166,413.78x = 21,767,271,963.84
  5. Step 5: Solve for x
    x = 21,767,271,963.84/166,413.78
  6. Step 6: Final answer
    x = 130,802.10

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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.