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Finding the Fourth Proportional to 137,606.94, 206,141.84 and 94,811.40

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Solution

The fourth proportional to 137,606.94, 206,141.84 and 94,811.40 is: 142,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,606.94 : 206,141.84 = 94,811.40 : x
  2. Step 2: Convert to fraction form
    137,606.94/206,141.84 = 94,811.40/x
  3. Step 3: Cross multiply
    137,606.94x = 206,141.84 × 94,811.40
  4. Step 4: Simplify right side
    137,606.94x = 19,544,596,448.98
  5. Step 5: Solve for x
    x = 19,544,596,448.98/137,606.94
  6. Step 6: Final answer
    x = 142,032.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.