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Finding the Fourth Proportional to 243,244.80, 364,539.15 and 163,054.80

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Solution

The fourth proportional to 243,244.80, 364,539.15 and 163,054.80 is: 244,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,244.80 : 364,539.15 = 163,054.80 : x
  2. Step 2: Convert to fraction form
    243,244.80/364,539.15 = 163,054.80/x
  3. Step 3: Cross multiply
    243,244.80x = 364,539.15 × 163,054.80
  4. Step 4: Simplify right side
    243,244.80x = 59,439,858,195.42
  5. Step 5: Solve for x
    x = 59,439,858,195.42/243,244.80
  6. Step 6: Final answer
    x = 244,362.30

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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.