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Finding the Fourth Proportional to 100,630.40, 150,192.05 and 98,969.49

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Solution

The fourth proportional to 100,630.40, 150,192.05 and 98,969.49 is: 147,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,630.40 : 150,192.05 = 98,969.49 : x
  2. Step 2: Convert to fraction form
    100,630.40/150,192.05 = 98,969.49/x
  3. Step 3: Cross multiply
    100,630.40x = 150,192.05 × 98,969.49
  4. Step 4: Simplify right side
    100,630.40x = 14,864,430,095.71
  5. Step 5: Solve for x
    x = 14,864,430,095.71/100,630.40
  6. Step 6: Final answer
    x = 147,713.12

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.