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Finding the Fourth Proportional to 178,492.56, 246,486.42 and 114,942.12

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Solution

The fourth proportional to 178,492.56, 246,486.42 and 114,942.12 is: 158,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,492.56 : 246,486.42 = 114,942.12 : x
  2. Step 2: Convert to fraction form
    178,492.56/246,486.42 = 114,942.12/x
  3. Step 3: Cross multiply
    178,492.56x = 246,486.42 × 114,942.12
  4. Step 4: Simplify right side
    178,492.56x = 28,331,671,666.01
  5. Step 5: Solve for x
    x = 28,331,671,666.01/178,492.56
  6. Step 6: Final answer
    x = 158,727.47

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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.