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Finding the Fourth Proportional to 147,363.03, 203,360.98 and 80,295.03

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Solution

The fourth proportional to 147,363.03, 203,360.98 and 80,295.03 is: 110,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,363.03 : 203,360.98 = 80,295.03 : x
  2. Step 2: Convert to fraction form
    147,363.03/203,360.98 = 80,295.03/x
  3. Step 3: Cross multiply
    147,363.03x = 203,360.98 × 80,295.03
  4. Step 4: Simplify right side
    147,363.03x = 16,328,875,989.93
  5. Step 5: Solve for x
    x = 16,328,875,989.93/147,363.03
  6. Step 6: Final answer
    x = 110,807.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.