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Finding the Fourth Proportional to 178,861.84, 246,824.22 and 101,330.26

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Solution

The fourth proportional to 178,861.84, 246,824.22 and 101,330.26 is: 139,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,861.84 : 246,824.22 = 101,330.26 : x
  2. Step 2: Convert to fraction form
    178,861.84/246,824.22 = 101,330.26/x
  3. Step 3: Cross multiply
    178,861.84x = 246,824.22 × 101,330.26
  4. Step 4: Simplify right side
    178,861.84x = 25,010,762,386.90
  5. Step 5: Solve for x
    x = 25,010,762,386.90/178,861.84
  6. Step 6: Final answer
    x = 139,832.86

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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.