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Finding the Fourth Proportional to 336,606.10, 504,852.93 and 111,990.26

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Solution

The fourth proportional to 336,606.10, 504,852.93 and 111,990.26 is: 167,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,606.10 : 504,852.93 = 111,990.26 : x
  2. Step 2: Convert to fraction form
    336,606.10/504,852.93 = 111,990.26/x
  3. Step 3: Cross multiply
    336,606.10x = 504,852.93 × 111,990.26
  4. Step 4: Simplify right side
    336,606.10x = 56,538,610,892.46
  5. Step 5: Solve for x
    x = 56,538,610,892.46/336,606.10
  6. Step 6: Final answer
    x = 167,966.69

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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.