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Finding the Fourth Proportional to 103,571.19, 155,365.65 and 44,392.77

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Solution

The fourth proportional to 103,571.19, 155,365.65 and 44,392.77 is: 66,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,571.19 : 155,365.65 = 44,392.77 : x
  2. Step 2: Convert to fraction form
    103,571.19/155,365.65 = 44,392.77/x
  3. Step 3: Cross multiply
    103,571.19x = 155,365.65 × 44,392.77
  4. Step 4: Simplify right side
    103,571.19x = 6,897,111,566.35
  5. Step 5: Solve for x
    x = 6,897,111,566.35/103,571.19
  6. Step 6: Final answer
    x = 66,592.95

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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.