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Finding the Fourth Proportional to 168,653.72, 232,746.95 and 92,177.06

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Solution

The fourth proportional to 168,653.72, 232,746.95 and 92,177.06 is: 127,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,653.72 : 232,746.95 = 92,177.06 : x
  2. Step 2: Convert to fraction form
    168,653.72/232,746.95 = 92,177.06/x
  3. Step 3: Cross multiply
    168,653.72x = 232,746.95 × 92,177.06
  4. Step 4: Simplify right side
    168,653.72x = 21,453,929,574.97
  5. Step 5: Solve for x
    x = 21,453,929,574.97/168,653.72
  6. Step 6: Final answer
    x = 127,206.98

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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.