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Finding the Fourth Proportional to 169,519.76, 233,951.63 and 93,051.81

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Solution

The fourth proportional to 169,519.76, 233,951.63 and 93,051.81 is: 128,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,519.76 : 233,951.63 = 93,051.81 : x
  2. Step 2: Convert to fraction form
    169,519.76/233,951.63 = 93,051.81/x
  3. Step 3: Cross multiply
    169,519.76x = 233,951.63 × 93,051.81
  4. Step 4: Simplify right side
    169,519.76x = 21,769,621,454.19
  5. Step 5: Solve for x
    x = 21,769,621,454.19/169,519.76
  6. Step 6: Final answer
    x = 128,419.37

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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.