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Finding the Fourth Proportional to 346,772.58, 520,176.87 and 110,133.78

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Solution

The fourth proportional to 346,772.58, 520,176.87 and 110,133.78 is: 165,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,772.58 : 520,176.87 = 110,133.78 : x
  2. Step 2: Convert to fraction form
    346,772.58/520,176.87 = 110,133.78/x
  3. Step 3: Cross multiply
    346,772.58x = 520,176.87 × 110,133.78
  4. Step 4: Simplify right side
    346,772.58x = 57,289,044,961.67
  5. Step 5: Solve for x
    x = 57,289,044,961.67/346,772.58
  6. Step 6: Final answer
    x = 165,206.39

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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.