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Finding the Fourth Proportional to 169,010.78, 233,234.48 and 101,024.46

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Solution

The fourth proportional to 169,010.78, 233,234.48 and 101,024.46 is: 139,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,010.78 : 233,234.48 = 101,024.46 : x
  2. Step 2: Convert to fraction form
    169,010.78/233,234.48 = 101,024.46/x
  3. Step 3: Cross multiply
    169,010.78x = 233,234.48 × 101,024.46
  4. Step 4: Simplify right side
    169,010.78x = 23,562,387,647.94
  5. Step 5: Solve for x
    x = 23,562,387,647.94/169,010.78
  6. Step 6: Final answer
    x = 139,413.52

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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.