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Finding the Fourth Proportional to 178,376.96, 246,140.16 and 102,950.40

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Solution

The fourth proportional to 178,376.96, 246,140.16 and 102,950.40 is: 142,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,376.96 : 246,140.16 = 102,950.40 : x
  2. Step 2: Convert to fraction form
    178,376.96/246,140.16 = 102,950.40/x
  3. Step 3: Cross multiply
    178,376.96x = 246,140.16 × 102,950.40
  4. Step 4: Simplify right side
    178,376.96x = 25,340,227,928.06
  5. Step 5: Solve for x
    x = 25,340,227,928.06/178,376.96
  6. Step 6: Final answer
    x = 142,059.98

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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.