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Finding the Fourth Proportional to 186,959.93, 258,004.62 and 102,076.97

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Solution

The fourth proportional to 186,959.93, 258,004.62 and 102,076.97 is: 140,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,959.93 : 258,004.62 = 102,076.97 : x
  2. Step 2: Convert to fraction form
    186,959.93/258,004.62 = 102,076.97/x
  3. Step 3: Cross multiply
    186,959.93x = 258,004.62 × 102,076.97
  4. Step 4: Simplify right side
    186,959.93x = 26,336,328,565.58
  5. Step 5: Solve for x
    x = 26,336,328,565.58/186,959.93
  6. Step 6: Final answer
    x = 140,866.17

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1.5x scale

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.