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Finding the Fourth Proportional to 266,674.99, 367,981.35 and 157,782.67

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Solution

The fourth proportional to 266,674.99, 367,981.35 and 157,782.67 is: 217,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,674.99 : 367,981.35 = 157,782.67 : x
  2. Step 2: Convert to fraction form
    266,674.99/367,981.35 = 157,782.67/x
  3. Step 3: Cross multiply
    266,674.99x = 367,981.35 × 157,782.67
  4. Step 4: Simplify right side
    266,674.99x = 58,061,079,913.20
  5. Step 5: Solve for x
    x = 58,061,079,913.20/266,674.99
  6. Step 6: Final answer
    x = 217,722.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.