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Finding the Fourth Proportional to 355,202.56, 532,890.08 and 118,563.04

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Solution

The fourth proportional to 355,202.56, 532,890.08 and 118,563.04 is: 177,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,202.56 : 532,890.08 = 118,563.04 : x
  2. Step 2: Convert to fraction form
    355,202.56/532,890.08 = 118,563.04/x
  3. Step 3: Cross multiply
    355,202.56x = 532,890.08 × 118,563.04
  4. Step 4: Simplify right side
    355,202.56x = 63,181,067,870.64
  5. Step 5: Solve for x
    x = 63,181,067,870.64/355,202.56
  6. Step 6: Final answer
    x = 177,873.35

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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.