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Finding the Fourth Proportional to 178,750.30, 246,615.38 and 101,215.38

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Solution

The fourth proportional to 178,750.30, 246,615.38 and 101,215.38 is: 139,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,750.30 : 246,615.38 = 101,215.38 : x
  2. Step 2: Convert to fraction form
    178,750.30/246,615.38 = 101,215.38/x
  3. Step 3: Cross multiply
    178,750.30x = 246,615.38 × 101,215.38
  4. Step 4: Simplify right side
    178,750.30x = 24,961,269,400.54
  5. Step 5: Solve for x
    x = 24,961,269,400.54/178,750.30
  6. Step 6: Final answer
    x = 139,643.23

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1.5x scale

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.