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Finding the Fourth Proportional to 317,210.85, 475,808.36 and 92,573.23

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Solution

The fourth proportional to 317,210.85, 475,808.36 and 92,573.23 is: 138,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,210.85 : 475,808.36 = 92,573.23 : x
  2. Step 2: Convert to fraction form
    317,210.85/475,808.36 = 92,573.23/x
  3. Step 3: Cross multiply
    317,210.85x = 475,808.36 × 92,573.23
  4. Step 4: Simplify right side
    317,210.85x = 44,047,116,506.68
  5. Step 5: Solve for x
    x = 44,047,116,506.68/317,210.85
  6. Step 6: Final answer
    x = 138,857.53

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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.