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Finding the Fourth Proportional to 98,921.94, 148,388.94 and 32,369.10

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Solution

The fourth proportional to 98,921.94, 148,388.94 and 32,369.10 is: 48,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,921.94 : 148,388.94 = 32,369.10 : x
  2. Step 2: Convert to fraction form
    98,921.94/148,388.94 = 32,369.10/x
  3. Step 3: Cross multiply
    98,921.94x = 148,388.94 × 32,369.10
  4. Step 4: Simplify right side
    98,921.94x = 4,803,216,437.75
  5. Step 5: Solve for x
    x = 4,803,216,437.75/98,921.94
  6. Step 6: Final answer
    x = 48,555.62

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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.