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Finding the Fourth Proportional to 243,803.72, 365,721.98 and 94,045.25

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Solution

The fourth proportional to 243,803.72, 365,721.98 and 94,045.25 is: 141,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,803.72 : 365,721.98 = 94,045.25 : x
  2. Step 2: Convert to fraction form
    243,803.72/365,721.98 = 94,045.25/x
  3. Step 3: Cross multiply
    243,803.72x = 365,721.98 × 94,045.25
  4. Step 4: Simplify right side
    243,803.72x = 34,394,415,039.60
  5. Step 5: Solve for x
    x = 34,394,415,039.60/243,803.72
  6. Step 6: Final answer
    x = 141,074.20

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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.