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Finding the Fourth Proportional to 346,576.83, 519,914.84 and 106,711.03

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Solution

The fourth proportional to 346,576.83, 519,914.84 and 106,711.03 is: 160,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,576.83 : 519,914.84 = 106,711.03 : x
  2. Step 2: Convert to fraction form
    346,576.83/519,914.84 = 106,711.03/x
  3. Step 3: Cross multiply
    346,576.83x = 519,914.84 × 106,711.03
  4. Step 4: Simplify right side
    346,576.83x = 55,480,648,088.69
  5. Step 5: Solve for x
    x = 55,480,648,088.69/346,576.83
  6. Step 6: Final answer
    x = 160,081.81

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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.