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Finding the Fourth Proportional to 243,225.59, 335,625.84 and 141,231.17

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Solution

The fourth proportional to 243,225.59, 335,625.84 and 141,231.17 is: 194,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,225.59 : 335,625.84 = 141,231.17 : x
  2. Step 2: Convert to fraction form
    243,225.59/335,625.84 = 141,231.17/x
  3. Step 3: Cross multiply
    243,225.59x = 335,625.84 × 141,231.17
  4. Step 4: Simplify right side
    243,225.59x = 47,400,828,916.92
  5. Step 5: Solve for x
    x = 47,400,828,916.92/243,225.59
  6. Step 6: Final answer
    x = 194,884.22

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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.