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Finding the Fourth Proportional to 336,034.80, 504,138.06 and 111,457.98

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Solution

The fourth proportional to 336,034.80, 504,138.06 and 111,457.98 is: 167,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,034.80 : 504,138.06 = 111,457.98 : x
  2. Step 2: Convert to fraction form
    336,034.80/504,138.06 = 111,457.98/x
  3. Step 3: Cross multiply
    336,034.80x = 504,138.06 × 111,457.98
  4. Step 4: Simplify right side
    336,034.80x = 56,190,209,808.72
  5. Step 5: Solve for x
    x = 56,190,209,808.72/336,034.80
  6. Step 6: Final answer
    x = 167,215.45

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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.