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Finding the Fourth Proportional to 266,151.31, 367,289.48 and 145,292.69

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Solution

The fourth proportional to 266,151.31, 367,289.48 and 145,292.69 is: 200,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,151.31 : 367,289.48 = 145,292.69 : x
  2. Step 2: Convert to fraction form
    266,151.31/367,289.48 = 145,292.69/x
  3. Step 3: Cross multiply
    266,151.31x = 367,289.48 × 145,292.69
  4. Step 4: Simplify right side
    266,151.31x = 53,364,477,839.36
  5. Step 5: Solve for x
    x = 53,364,477,839.36/266,151.31
  6. Step 6: Final answer
    x = 200,504.29

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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.