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Finding the Fourth Proportional to 104,963.99, 157,439.50 and 42,632.87

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Solution

The fourth proportional to 104,963.99, 157,439.50 and 42,632.87 is: 63,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963.99 : 157,439.50 = 42,632.87 : x
  2. Step 2: Convert to fraction form
    104,963.99/157,439.50 = 42,632.87/x
  3. Step 3: Cross multiply
    104,963.99x = 157,439.50 × 42,632.87
  4. Step 4: Simplify right side
    104,963.99x = 6,712,096,842.59
  5. Step 5: Solve for x
    x = 6,712,096,842.59/104,963.99
  6. Step 6: Final answer
    x = 63,946.67

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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.