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Finding the Fourth Proportional to 144,268.59, 199,100.96 and 79,736.45

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Solution

The fourth proportional to 144,268.59, 199,100.96 and 79,736.45 is: 110,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,268.59 : 199,100.96 = 79,736.45 : x
  2. Step 2: Convert to fraction form
    144,268.59/199,100.96 = 79,736.45/x
  3. Step 3: Cross multiply
    144,268.59x = 199,100.96 × 79,736.45
  4. Step 4: Simplify right side
    144,268.59x = 15,875,602,347.81
  5. Step 5: Solve for x
    x = 15,875,602,347.81/144,268.59
  6. Step 6: Final answer
    x = 110,041.99

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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.