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Finding the Fourth Proportional to 169,516.51, 233,943.72 and 94,065.01

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Solution

The fourth proportional to 169,516.51, 233,943.72 and 94,065.01 is: 129,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,516.51 : 233,943.72 = 94,065.01 : x
  2. Step 2: Convert to fraction form
    169,516.51/233,943.72 = 94,065.01/x
  3. Step 3: Cross multiply
    169,516.51x = 233,943.72 × 94,065.01
  4. Step 4: Simplify right side
    169,516.51x = 22,005,918,361.24
  5. Step 5: Solve for x
    x = 22,005,918,361.24/169,516.51
  6. Step 6: Final answer
    x = 129,815.78

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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.