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Finding the Fourth Proportional to 191,782.17, 264,661.22 and 105,744.24

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Solution

The fourth proportional to 191,782.17, 264,661.22 and 105,744.24 is: 145,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,782.17 : 264,661.22 = 105,744.24 : x
  2. Step 2: Convert to fraction form
    191,782.17/264,661.22 = 105,744.24/x
  3. Step 3: Cross multiply
    191,782.17x = 264,661.22 × 105,744.24
  4. Step 4: Simplify right side
    191,782.17x = 27,986,399,830.73
  5. Step 5: Solve for x
    x = 27,986,399,830.73/191,782.17
  6. Step 6: Final answer
    x = 145,928.06

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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.