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Finding the Fourth Proportional to 243,173.58, 335,578.24 and 141,224.07

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Solution

The fourth proportional to 243,173.58, 335,578.24 and 141,224.07 is: 194,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,173.58 : 335,578.24 = 141,224.07 : x
  2. Step 2: Convert to fraction form
    243,173.58/335,578.24 = 141,224.07/x
  3. Step 3: Cross multiply
    243,173.58x = 335,578.24 × 141,224.07
  4. Step 4: Simplify right side
    243,173.58x = 47,391,726,291.19
  5. Step 5: Solve for x
    x = 47,391,726,291.19/243,173.58
  6. Step 6: Final answer
    x = 194,888.47

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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.