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Finding the Fourth Proportional to 243,978.20, 365,967.30 and 94,225.40

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Solution

The fourth proportional to 243,978.20, 365,967.30 and 94,225.40 is: 141,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,978.20 : 365,967.30 = 94,225.40 : x
  2. Step 2: Convert to fraction form
    243,978.20/365,967.30 = 94,225.40/x
  3. Step 3: Cross multiply
    243,978.20x = 365,967.30 × 94,225.40
  4. Step 4: Simplify right side
    243,978.20x = 34,483,415,229.42
  5. Step 5: Solve for x
    x = 34,483,415,229.42/243,978.20
  6. Step 6: Final answer
    x = 141,338.10

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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.