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Finding the Fourth Proportional to 243,620.68, 336,073.44 and 163,051.60

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Solution

The fourth proportional to 243,620.68, 336,073.44 and 163,051.60 is: 224,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,620.68 : 336,073.44 = 163,051.60 : x
  2. Step 2: Convert to fraction form
    243,620.68/336,073.44 = 163,051.60/x
  3. Step 3: Cross multiply
    243,620.68x = 336,073.44 × 163,051.60
  4. Step 4: Simplify right side
    243,620.68x = 54,797,312,109.50
  5. Step 5: Solve for x
    x = 54,797,312,109.50/243,620.68
  6. Step 6: Final answer
    x = 224,928.82

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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.