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Finding the Fourth Proportional to 252,632.55, 348,633.54 and 137,911.27

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Solution

The fourth proportional to 252,632.55, 348,633.54 and 137,911.27 is: 190,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,632.55 : 348,633.54 = 137,911.27 : x
  2. Step 2: Convert to fraction form
    252,632.55/348,633.54 = 137,911.27/x
  3. Step 3: Cross multiply
    252,632.55x = 348,633.54 × 137,911.27
  4. Step 4: Simplify right side
    252,632.55x = 48,080,494,266.00
  5. Step 5: Solve for x
    x = 48,080,494,266.00/252,632.55
  6. Step 6: Final answer
    x = 190,317.89

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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.