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Finding the Fourth Proportional to 98,894.04, 148,340.52 and 28,775.04

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Solution

The fourth proportional to 98,894.04, 148,340.52 and 28,775.04 is: 43,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,894.04 : 148,340.52 = 28,775.04 : x
  2. Step 2: Convert to fraction form
    98,894.04/148,340.52 = 28,775.04/x
  3. Step 3: Cross multiply
    98,894.04x = 148,340.52 × 28,775.04
  4. Step 4: Simplify right side
    98,894.04x = 4,268,504,396.62
  5. Step 5: Solve for x
    x = 4,268,504,396.62/98,894.04
  6. Step 6: Final answer
    x = 43,162.40

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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.