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Finding the Fourth Proportional to 285,007.73, 427,270.13 and 124,962.36

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Solution

The fourth proportional to 285,007.73, 427,270.13 and 124,962.36 is: 187,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,007.73 : 427,270.13 = 124,962.36 : x
  2. Step 2: Convert to fraction form
    285,007.73/427,270.13 = 124,962.36/x
  3. Step 3: Cross multiply
    285,007.73x = 427,270.13 × 124,962.36
  4. Step 4: Simplify right side
    285,007.73x = 53,392,683,177.50
  5. Step 5: Solve for x
    x = 53,392,683,177.50/285,007.73
  6. Step 6: Final answer
    x = 187,337.67

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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.