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Finding the Fourth Proportional to 364,725.10, 547,115.32 and 98,481.74

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Solution

The fourth proportional to 364,725.10, 547,115.32 and 98,481.74 is: 147,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,725.10 : 547,115.32 = 98,481.74 : x
  2. Step 2: Convert to fraction form
    364,725.10/547,115.32 = 98,481.74/x
  3. Step 3: Cross multiply
    364,725.10x = 547,115.32 × 98,481.74
  4. Step 4: Simplify right side
    364,725.10x = 53,880,868,694.26
  5. Step 5: Solve for x
    x = 53,880,868,694.26/364,725.10
  6. Step 6: Final answer
    x = 147,730.08

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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.