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Finding the Fourth Proportional to 193,359.98, 266,832.75 and 107,313.97

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Solution

The fourth proportional to 193,359.98, 266,832.75 and 107,313.97 is: 148,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,359.98 : 266,832.75 = 107,313.97 : x
  2. Step 2: Convert to fraction form
    193,359.98/266,832.75 = 107,313.97/x
  3. Step 3: Cross multiply
    193,359.98x = 266,832.75 × 107,313.97
  4. Step 4: Simplify right side
    193,359.98x = 28,634,881,728.52
  5. Step 5: Solve for x
    x = 28,634,881,728.52/193,359.98
  6. Step 6: Final answer
    x = 148,091.05

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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.