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Finding the Fourth Proportional to 342,800.28, 514,234.44 and 118,130.58

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Solution

The fourth proportional to 342,800.28, 514,234.44 and 118,130.58 is: 177,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,800.28 : 514,234.44 = 118,130.58 : x
  2. Step 2: Convert to fraction form
    342,800.28/514,234.44 = 118,130.58/x
  3. Step 3: Cross multiply
    342,800.28x = 514,234.44 × 118,130.58
  4. Step 4: Simplify right side
    342,800.28x = 60,746,812,653.18
  5. Step 5: Solve for x
    x = 60,746,812,653.18/342,800.28
  6. Step 6: Final answer
    x = 177,207.59

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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.