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Finding the Fourth Proportional to 243,326.14, 365,024.14 and 74,860.62

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Solution

The fourth proportional to 243,326.14, 365,024.14 and 74,860.62 is: 112,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,326.14 : 365,024.14 = 74,860.62 : x
  2. Step 2: Convert to fraction form
    243,326.14/365,024.14 = 74,860.62/x
  3. Step 3: Cross multiply
    243,326.14x = 365,024.14 × 74,860.62
  4. Step 4: Simplify right side
    243,326.14x = 27,325,931,879.37
  5. Step 5: Solve for x
    x = 27,325,931,879.37/243,326.14
  6. Step 6: Final answer
    x = 112,301.67

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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.