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Finding the Fourth Proportional to 98,607.68, 147,936.38 and 27,530.25

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Solution

The fourth proportional to 98,607.68, 147,936.38 and 27,530.25 is: 41,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,607.68 : 147,936.38 = 27,530.25 : x
  2. Step 2: Convert to fraction form
    98,607.68/147,936.38 = 27,530.25/x
  3. Step 3: Cross multiply
    98,607.68x = 147,936.38 × 27,530.25
  4. Step 4: Simplify right side
    98,607.68x = 4,072,725,594.32
  5. Step 5: Solve for x
    x = 4,072,725,594.32/98,607.68
  6. Step 6: Final answer
    x = 41,302.32

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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.