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Finding the Fourth Proportional to 178,800.72, 246,744.72 and 98,230.32

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Solution

The fourth proportional to 178,800.72, 246,744.72 and 98,230.32 is: 135,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,800.72 : 246,744.72 = 98,230.32 : x
  2. Step 2: Convert to fraction form
    178,800.72/246,744.72 = 98,230.32/x
  3. Step 3: Cross multiply
    178,800.72x = 246,744.72 × 98,230.32
  4. Step 4: Simplify right side
    178,800.72x = 24,237,812,803.91
  5. Step 5: Solve for x
    x = 24,237,812,803.91/178,800.72
  6. Step 6: Final answer
    x = 135,557.69

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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.