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Finding the Fourth Proportional to 266,093.85, 399,140.76 and 97,550.46

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Solution

The fourth proportional to 266,093.85, 399,140.76 and 97,550.46 is: 146,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,093.85 : 399,140.76 = 97,550.46 : x
  2. Step 2: Convert to fraction form
    266,093.85/399,140.76 = 97,550.46/x
  3. Step 3: Cross multiply
    266,093.85x = 399,140.76 × 97,550.46
  4. Step 4: Simplify right side
    266,093.85x = 38,936,364,742.75
  5. Step 5: Solve for x
    x = 38,936,364,742.75/266,093.85
  6. Step 6: Final answer
    x = 146,325.68

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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.