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Finding the Fourth Proportional to 169,405.22, 233,785.86 and 92,927.10

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Solution

The fourth proportional to 169,405.22, 233,785.86 and 92,927.10 is: 128,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,405.22 : 233,785.86 = 92,927.10 : x
  2. Step 2: Convert to fraction form
    169,405.22/233,785.86 = 92,927.10/x
  3. Step 3: Cross multiply
    169,405.22x = 233,785.86 × 92,927.10
  4. Step 4: Simplify right side
    169,405.22x = 21,725,041,990.81
  5. Step 5: Solve for x
    x = 21,725,041,990.81/169,405.22
  6. Step 6: Final answer
    x = 128,243.05

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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.