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Finding the Fourth Proportional to 272,948.99, 409,550.29 and 104,413.60

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Solution

The fourth proportional to 272,948.99, 409,550.29 and 104,413.60 is: 156,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,948.99 : 409,550.29 = 104,413.60 : x
  2. Step 2: Convert to fraction form
    272,948.99/409,550.29 = 104,413.60/x
  3. Step 3: Cross multiply
    272,948.99x = 409,550.29 × 104,413.60
  4. Step 4: Simplify right side
    272,948.99x = 42,762,620,159.94
  5. Step 5: Solve for x
    x = 42,762,620,159.94/272,948.99
  6. Step 6: Final answer
    x = 156,668.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.