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Finding the Fourth Proportional to 80,501.99, 120,795.50 and 58,497.26

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Solution

The fourth proportional to 80,501.99, 120,795.50 and 58,497.26 is: 87,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.99 : 120,795.50 = 58,497.26 : x
  2. Step 2: Convert to fraction form
    80,501.99/120,795.50 = 58,497.26/x
  3. Step 3: Cross multiply
    80,501.99x = 120,795.50 × 58,497.26
  4. Step 4: Simplify right side
    80,501.99x = 7,066,205,312.60
  5. Step 5: Solve for x
    x = 7,066,205,312.60/80,501.99
  6. Step 6: Final answer
    x = 87,776.78

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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.