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Finding the Fourth Proportional to 147,318.93, 203,300.15 and 80,250.93

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Solution

The fourth proportional to 147,318.93, 203,300.15 and 80,250.93 is: 110,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,318.93 : 203,300.15 = 80,250.93 : x
  2. Step 2: Convert to fraction form
    147,318.93/203,300.15 = 80,250.93/x
  3. Step 3: Cross multiply
    147,318.93x = 203,300.15 × 80,250.93
  4. Step 4: Simplify right side
    147,318.93x = 16,315,025,705.38
  5. Step 5: Solve for x
    x = 16,315,025,705.38/147,318.93
  6. Step 6: Final answer
    x = 110,746.30

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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.