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Finding the Fourth Proportional to 175,448.80, 263,464.80 and 96,619.60

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Solution

The fourth proportional to 175,448.80, 263,464.80 and 96,619.60 is: 145,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,448.80 : 263,464.80 = 96,619.60 : x
  2. Step 2: Convert to fraction form
    175,448.80/263,464.80 = 96,619.60/x
  3. Step 3: Cross multiply
    175,448.80x = 263,464.80 × 96,619.60
  4. Step 4: Simplify right side
    175,448.80x = 25,455,863,590.08
  5. Step 5: Solve for x
    x = 25,455,863,590.08/175,448.80
  6. Step 6: Final answer
    x = 145,089.98

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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.