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Finding the Fourth Proportional to 343,226.46, 514,838.07 and 87,059.10

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Solution

The fourth proportional to 343,226.46, 514,838.07 and 87,059.10 is: 130,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,226.46 : 514,838.07 = 87,059.10 : x
  2. Step 2: Convert to fraction form
    343,226.46/514,838.07 = 87,059.10/x
  3. Step 3: Cross multiply
    343,226.46x = 514,838.07 × 87,059.10
  4. Step 4: Simplify right side
    343,226.46x = 44,821,339,019.94
  5. Step 5: Solve for x
    x = 44,821,339,019.94/343,226.46
  6. Step 6: Final answer
    x = 130,588.24

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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.