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Finding the Fourth Proportional to 98,364.89, 147,260.28 and 73,176.14

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Solution

The fourth proportional to 98,364.89, 147,260.28 and 73,176.14 is: 109,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,364.89 : 147,260.28 = 73,176.14 : x
  2. Step 2: Convert to fraction form
    98,364.89/147,260.28 = 73,176.14/x
  3. Step 3: Cross multiply
    98,364.89x = 147,260.28 × 73,176.14
  4. Step 4: Simplify right side
    98,364.89x = 10,775,938,865.72
  5. Step 5: Solve for x
    x = 10,775,938,865.72/98,364.89
  6. Step 6: Final answer
    x = 109,550.66

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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.