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Finding the Fourth Proportional to 266,222.53, 367,387.86 and 145,364.86

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Solution

The fourth proportional to 266,222.53, 367,387.86 and 145,364.86 is: 200,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,222.53 : 367,387.86 = 145,364.86 : x
  2. Step 2: Convert to fraction form
    266,222.53/367,387.86 = 145,364.86/x
  3. Step 3: Cross multiply
    266,222.53x = 367,387.86 × 145,364.86
  4. Step 4: Simplify right side
    266,222.53x = 53,405,284,834.60
  5. Step 5: Solve for x
    x = 53,405,284,834.60/266,222.53
  6. Step 6: Final answer
    x = 200,603.93

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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.