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Finding the Fourth Proportional to 307,736.04, 424,674.14 and 171,762.14

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Solution

The fourth proportional to 307,736.04, 424,674.14 and 171,762.14 is: 237,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,736.04 : 424,674.14 = 171,762.14 : x
  2. Step 2: Convert to fraction form
    307,736.04/424,674.14 = 171,762.14/x
  3. Step 3: Cross multiply
    307,736.04x = 424,674.14 × 171,762.14
  4. Step 4: Simplify right side
    307,736.04x = 72,942,939,089.06
  5. Step 5: Solve for x
    x = 72,942,939,089.06/307,736.04
  6. Step 6: Final answer
    x = 237,030.86

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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.