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Finding the Fourth Proportional to 317,761.13, 476,599.23 and 118,054.28

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Solution

The fourth proportional to 317,761.13, 476,599.23 and 118,054.28 is: 177,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,761.13 : 476,599.23 = 118,054.28 : x
  2. Step 2: Convert to fraction form
    317,761.13/476,599.23 = 118,054.28/x
  3. Step 3: Cross multiply
    317,761.13x = 476,599.23 × 118,054.28
  4. Step 4: Simplify right side
    317,761.13x = 56,264,576,563.21
  5. Step 5: Solve for x
    x = 56,264,576,563.21/317,761.13
  6. Step 6: Final answer
    x = 177,065.64

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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.