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Finding the Fourth Proportional to 106,693.99, 147,225.16 and 58,944.49

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Solution

The fourth proportional to 106,693.99, 147,225.16 and 58,944.49 is: 81,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,693.99 : 147,225.16 = 58,944.49 : x
  2. Step 2: Convert to fraction form
    106,693.99/147,225.16 = 58,944.49/x
  3. Step 3: Cross multiply
    106,693.99x = 147,225.16 × 58,944.49
  4. Step 4: Simplify right side
    106,693.99x = 8,678,111,824.01
  5. Step 5: Solve for x
    x = 8,678,111,824.01/106,693.99
  6. Step 6: Final answer
    x = 81,336.46

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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.