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Finding the Fourth Proportional to 181,967.60, 272,951.40 and 165,346.40

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Solution

The fourth proportional to 181,967.60, 272,951.40 and 165,346.40 is: 248,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,967.60 : 272,951.40 = 165,346.40 : x
  2. Step 2: Convert to fraction form
    181,967.60/272,951.40 = 165,346.40/x
  3. Step 3: Cross multiply
    181,967.60x = 272,951.40 × 165,346.40
  4. Step 4: Simplify right side
    181,967.60x = 45,131,531,364.96
  5. Step 5: Solve for x
    x = 45,131,531,364.96/181,967.60
  6. Step 6: Final answer
    x = 248,019.60

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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.