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Finding the Fourth Proportional to 243,793.86, 365,638.81 and 93,984.36

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Solution

The fourth proportional to 243,793.86, 365,638.81 and 93,984.36 is: 140,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,793.86 : 365,638.81 = 93,984.36 : x
  2. Step 2: Convert to fraction form
    243,793.86/365,638.81 = 93,984.36/x
  3. Step 3: Cross multiply
    243,793.86x = 365,638.81 × 93,984.36
  4. Step 4: Simplify right side
    243,793.86x = 34,364,329,549.01
  5. Step 5: Solve for x
    x = 34,364,329,549.01/243,793.86
  6. Step 6: Final answer
    x = 140,956.50

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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.