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Finding the Fourth Proportional to 304,081.70, 455,969.55 and 93,692.30

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Solution

The fourth proportional to 304,081.70, 455,969.55 and 93,692.30 is: 140,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,081.70 : 455,969.55 = 93,692.30 : x
  2. Step 2: Convert to fraction form
    304,081.70/455,969.55 = 93,692.30/x
  3. Step 3: Cross multiply
    304,081.70x = 455,969.55 × 93,692.30
  4. Step 4: Simplify right side
    304,081.70x = 42,720,835,869.47
  5. Step 5: Solve for x
    x = 42,720,835,869.47/304,081.70
  6. Step 6: Final answer
    x = 140,491.31

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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.