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Finding the Fourth Proportional to 192,653.97, 265,858.50 and 106,612.93

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Solution

The fourth proportional to 192,653.97, 265,858.50 and 106,612.93 is: 147,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,653.97 : 265,858.50 = 106,612.93 : x
  2. Step 2: Convert to fraction form
    192,653.97/265,858.50 = 106,612.93/x
  3. Step 3: Cross multiply
    192,653.97x = 265,858.50 × 106,612.93
  4. Step 4: Simplify right side
    192,653.97x = 28,343,953,650.41
  5. Step 5: Solve for x
    x = 28,343,953,650.41/192,653.97
  6. Step 6: Final answer
    x = 147,123.64

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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.