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Finding the Fourth Proportional to 173,004.65, 238,770 and 101,413.20

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Solution

The fourth proportional to 173,004.65, 238,770 and 101,413.20 is: 139,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,004.65 : 238,770 = 101,413.20 : x
  2. Step 2: Convert to fraction form
    173,004.65/238,770 = 101,413.20/x
  3. Step 3: Cross multiply
    173,004.65x = 238,770 × 101,413.20
  4. Step 4: Simplify right side
    173,004.65x = 24,214,429,764
  5. Step 5: Solve for x
    x = 24,214,429,764/173,004.65
  6. Step 6: Final answer
    x = 139,964.04

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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.