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Finding the Fourth Proportional to 103,374.63, 155,061.95 and 33,259.41

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Solution

The fourth proportional to 103,374.63, 155,061.95 and 33,259.41 is: 49,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,374.63 : 155,061.95 = 33,259.41 : x
  2. Step 2: Convert to fraction form
    103,374.63/155,061.95 = 33,259.41/x
  3. Step 3: Cross multiply
    103,374.63x = 155,061.95 × 33,259.41
  4. Step 4: Simplify right side
    103,374.63x = 5,157,268,804.15
  5. Step 5: Solve for x
    x = 5,157,268,804.15/103,374.63
  6. Step 6: Final answer
    x = 49,889.12

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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.