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Finding the Fourth Proportional to 329,112.34, 493,668.52 and 92,457.07

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Solution

The fourth proportional to 329,112.34, 493,668.52 and 92,457.07 is: 138,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,112.34 : 493,668.52 = 92,457.07 : x
  2. Step 2: Convert to fraction form
    329,112.34/493,668.52 = 92,457.07/x
  3. Step 3: Cross multiply
    329,112.34x = 493,668.52 × 92,457.07
  4. Step 4: Simplify right side
    329,112.34x = 45,643,143,445.12
  5. Step 5: Solve for x
    x = 45,643,143,445.12/329,112.34
  6. Step 6: Final answer
    x = 138,685.60

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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.