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Finding the Fourth Proportional to 424,775.79, 637,162.91 and 125,466.56

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Solution

The fourth proportional to 424,775.79, 637,162.91 and 125,466.56 is: 188,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,775.79 : 637,162.91 = 125,466.56 : x
  2. Step 2: Convert to fraction form
    424,775.79/637,162.91 = 125,466.56/x
  3. Step 3: Cross multiply
    424,775.79x = 637,162.91 × 125,466.56
  4. Step 4: Simplify right side
    424,775.79x = 79,942,634,664.14
  5. Step 5: Solve for x
    x = 79,942,634,664.14/424,775.79
  6. Step 6: Final answer
    x = 188,199.60

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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.