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Finding the Fourth Proportional to 266,527.53, 367,808 and 145,668.81

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Solution

The fourth proportional to 266,527.53, 367,808 and 145,668.81 is: 201,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,527.53 : 367,808 = 145,668.81 : x
  2. Step 2: Convert to fraction form
    266,527.53/367,808 = 145,668.81/x
  3. Step 3: Cross multiply
    266,527.53x = 367,808 × 145,668.81
  4. Step 4: Simplify right side
    266,527.53x = 53,578,153,668.48
  5. Step 5: Solve for x
    x = 53,578,153,668.48/266,527.53
  6. Step 6: Final answer
    x = 201,022.96

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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.