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Finding the Fourth Proportional to 190,642.61, 263,112.50 and 110,073.53

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Solution

The fourth proportional to 190,642.61, 263,112.50 and 110,073.53 is: 151,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,642.61 : 263,112.50 = 110,073.53 : x
  2. Step 2: Convert to fraction form
    190,642.61/263,112.50 = 110,073.53/x
  3. Step 3: Cross multiply
    190,642.61x = 263,112.50 × 110,073.53
  4. Step 4: Simplify right side
    190,642.61x = 28,961,722,595.09
  5. Step 5: Solve for x
    x = 28,961,722,595.09/190,642.61
  6. Step 6: Final answer
    x = 151,916.31

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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.