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Finding the Fourth Proportional to 336,113.61, 504,248.86 and 111,457.61

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Solution

The fourth proportional to 336,113.61, 504,248.86 and 111,457.61 is: 167,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,113.61 : 504,248.86 = 111,457.61 : x
  2. Step 2: Convert to fraction form
    336,113.61/504,248.86 = 111,457.61/x
  3. Step 3: Cross multiply
    336,113.61x = 504,248.86 × 111,457.61
  4. Step 4: Simplify right side
    336,113.61x = 56,202,372,223.54
  5. Step 5: Solve for x
    x = 56,202,372,223.54/336,113.61
  6. Step 6: Final answer
    x = 167,212.43

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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.