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Finding the Fourth Proportional to 342,652.56, 513,683.22 and 164,915.04

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Solution

The fourth proportional to 342,652.56, 513,683.22 and 164,915.04 is: 247,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,652.56 : 513,683.22 = 164,915.04 : x
  2. Step 2: Convert to fraction form
    342,652.56/513,683.22 = 164,915.04/x
  3. Step 3: Cross multiply
    342,652.56x = 513,683.22 × 164,915.04
  4. Step 4: Simplify right side
    342,652.56x = 84,714,088,773.63
  5. Step 5: Solve for x
    x = 84,714,088,773.63/342,652.56
  6. Step 6: Final answer
    x = 247,230.28

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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.