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Finding the Fourth Proportional to 98,894.41, 148,366.21 and 28,773.72

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Solution

The fourth proportional to 98,894.41, 148,366.21 and 28,773.72 is: 43,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,894.41 : 148,366.21 = 28,773.72 : x
  2. Step 2: Convert to fraction form
    98,894.41/148,366.21 = 28,773.72/x
  3. Step 3: Cross multiply
    98,894.41x = 148,366.21 × 28,773.72
  4. Step 4: Simplify right side
    98,894.41x = 4,269,047,784.00
  5. Step 5: Solve for x
    x = 4,269,047,784.00/98,894.41
  6. Step 6: Final answer
    x = 43,167.74

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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.