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Finding the Fourth Proportional to 178,853.88, 268,073.46 and 168,485.88

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Solution

The fourth proportional to 178,853.88, 268,073.46 and 168,485.88 is: 252,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,853.88 : 268,073.46 = 168,485.88 : x
  2. Step 2: Convert to fraction form
    178,853.88/268,073.46 = 168,485.88/x
  3. Step 3: Cross multiply
    178,853.88x = 268,073.46 × 168,485.88
  4. Step 4: Simplify right side
    178,853.88x = 45,166,592,812.74
  5. Step 5: Solve for x
    x = 45,166,592,812.74/178,853.88
  6. Step 6: Final answer
    x = 252,533.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.