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Finding the Fourth Proportional to 98,192.96, 147,354.02 and 53,850.85

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Solution

The fourth proportional to 98,192.96, 147,354.02 and 53,850.85 is: 80,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,192.96 : 147,354.02 = 53,850.85 : x
  2. Step 2: Convert to fraction form
    98,192.96/147,354.02 = 53,850.85/x
  3. Step 3: Cross multiply
    98,192.96x = 147,354.02 × 53,850.85
  4. Step 4: Simplify right side
    98,192.96x = 7,935,139,433.83
  5. Step 5: Solve for x
    x = 7,935,139,433.83/98,192.96
  6. Step 6: Final answer
    x = 80,811.70

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1.5x scale

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.