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Finding the Fourth Proportional to 100,048.64, 150,035.28 and 40,852.62

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Solution

The fourth proportional to 100,048.64, 150,035.28 and 40,852.62 is: 61,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048.64 : 150,035.28 = 40,852.62 : x
  2. Step 2: Convert to fraction form
    100,048.64/150,035.28 = 40,852.62/x
  3. Step 3: Cross multiply
    100,048.64x = 150,035.28 × 40,852.62
  4. Step 4: Simplify right side
    100,048.64x = 6,129,334,280.43
  5. Step 5: Solve for x
    x = 6,129,334,280.43/100,048.64
  6. Step 6: Final answer
    x = 61,263.54

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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.