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Finding the Fourth Proportional to 313,818.77, 470,731.43 and 124,325.25

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Solution

The fourth proportional to 313,818.77, 470,731.43 and 124,325.25 is: 186,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,818.77 : 470,731.43 = 124,325.25 : x
  2. Step 2: Convert to fraction form
    313,818.77/470,731.43 = 124,325.25/x
  3. Step 3: Cross multiply
    313,818.77x = 470,731.43 × 124,325.25
  4. Step 4: Simplify right side
    313,818.77x = 58,523,803,028.42
  5. Step 5: Solve for x
    x = 58,523,803,028.42/313,818.77
  6. Step 6: Final answer
    x = 186,489.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.