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Finding the Fourth Proportional to 243,574.75, 365,112.97 and 123,409.07

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Solution

The fourth proportional to 243,574.75, 365,112.97 and 123,409.07 is: 184,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,574.75 : 365,112.97 = 123,409.07 : x
  2. Step 2: Convert to fraction form
    243,574.75/365,112.97 = 123,409.07/x
  3. Step 3: Cross multiply
    243,574.75x = 365,112.97 × 123,409.07
  4. Step 4: Simplify right side
    243,574.75x = 45,058,251,307.72
  5. Step 5: Solve for x
    x = 45,058,251,307.72/243,574.75
  6. Step 6: Final answer
    x = 184,987.37

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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.