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Finding the Fourth Proportional to 243,721.72, 365,544.78 and 94,032.10

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Solution

The fourth proportional to 243,721.72, 365,544.78 and 94,032.10 is: 141,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721.72 : 365,544.78 = 94,032.10 : x
  2. Step 2: Convert to fraction form
    243,721.72/365,544.78 = 94,032.10/x
  3. Step 3: Cross multiply
    243,721.72x = 365,544.78 × 94,032.10
  4. Step 4: Simplify right side
    243,721.72x = 34,372,943,307.44
  5. Step 5: Solve for x
    x = 34,372,943,307.44/243,721.72
  6. Step 6: Final answer
    x = 141,033.57

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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.