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Finding the Fourth Proportional to 98,185.25, 147,499.56 and 58,230.44

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Solution

The fourth proportional to 98,185.25, 147,499.56 and 58,230.44 is: 87,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.25 : 147,499.56 = 58,230.44 : x
  2. Step 2: Convert to fraction form
    98,185.25/147,499.56 = 58,230.44/x
  3. Step 3: Cross multiply
    98,185.25x = 147,499.56 × 58,230.44
  4. Step 4: Simplify right side
    98,185.25x = 8,588,963,541.11
  5. Step 5: Solve for x
    x = 8,588,963,541.11/98,185.25
  6. Step 6: Final answer
    x = 87,477.13

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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.