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Finding the Fourth Proportional to 317,010.66, 437,480.01 and 171,821.12

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Solution

The fourth proportional to 317,010.66, 437,480.01 and 171,821.12 is: 237,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,010.66 : 437,480.01 = 171,821.12 : x
  2. Step 2: Convert to fraction form
    317,010.66/437,480.01 = 171,821.12/x
  3. Step 3: Cross multiply
    317,010.66x = 437,480.01 × 171,821.12
  4. Step 4: Simplify right side
    317,010.66x = 75,168,303,108.41
  5. Step 5: Solve for x
    x = 75,168,303,108.41/317,010.66
  6. Step 6: Final answer
    x = 237,116.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.