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Finding the Fourth Proportional to 243,801.72, 365,718.98 and 94,043.25

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Solution

The fourth proportional to 243,801.72, 365,718.98 and 94,043.25 is: 141,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,801.72 : 365,718.98 = 94,043.25 : x
  2. Step 2: Convert to fraction form
    243,801.72/365,718.98 = 94,043.25/x
  3. Step 3: Cross multiply
    243,801.72x = 365,718.98 × 94,043.25
  4. Step 4: Simplify right side
    243,801.72x = 34,393,401,700.99
  5. Step 5: Solve for x
    x = 34,393,401,700.99/243,801.72
  6. Step 6: Final answer
    x = 141,071.20

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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.