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Finding the Fourth Proportional to 98,350.44, 147,560.28 and 42,188.28

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Solution

The fourth proportional to 98,350.44, 147,560.28 and 42,188.28 is: 63,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,350.44 : 147,560.28 = 42,188.28 : x
  2. Step 2: Convert to fraction form
    98,350.44/147,560.28 = 42,188.28/x
  3. Step 3: Cross multiply
    98,350.44x = 147,560.28 × 42,188.28
  4. Step 4: Simplify right side
    98,350.44x = 6,225,314,409.52
  5. Step 5: Solve for x
    x = 6,225,314,409.52/98,350.44
  6. Step 6: Final answer
    x = 63,297.27

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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.