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Finding the Fourth Proportional to 190,594.51, 285,832.11 and 68,999.70

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Solution

The fourth proportional to 190,594.51, 285,832.11 and 68,999.70 is: 103,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,594.51 : 285,832.11 = 68,999.70 : x
  2. Step 2: Convert to fraction form
    190,594.51/285,832.11 = 68,999.70/x
  3. Step 3: Cross multiply
    190,594.51x = 285,832.11 × 68,999.70
  4. Step 4: Simplify right side
    190,594.51x = 19,722,329,840.37
  5. Step 5: Solve for x
    x = 19,722,329,840.37/190,594.51
  6. Step 6: Final answer
    x = 103,477.95

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1.5x scale

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.