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Finding the Fourth Proportional to 342,237.48, 513,414.60 and 105,536.04

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Solution

The fourth proportional to 342,237.48, 513,414.60 and 105,536.04 is: 158,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,237.48 : 513,414.60 = 105,536.04 : x
  2. Step 2: Convert to fraction form
    342,237.48/513,414.60 = 105,536.04/x
  3. Step 3: Cross multiply
    342,237.48x = 513,414.60 × 105,536.04
  4. Step 4: Simplify right side
    342,237.48x = 54,183,743,762.18
  5. Step 5: Solve for x
    x = 54,183,743,762.18/342,237.48
  6. Step 6: Final answer
    x = 158,322.06

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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.