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Finding the Fourth Proportional to 243,558.76, 364,747.68 and 168,468.16

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Solution

The fourth proportional to 243,558.76, 364,747.68 and 168,468.16 is: 252,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,558.76 : 364,747.68 = 168,468.16 : x
  2. Step 2: Convert to fraction form
    243,558.76/364,747.68 = 168,468.16/x
  3. Step 3: Cross multiply
    243,558.76x = 364,747.68 × 168,468.16
  4. Step 4: Simplify right side
    243,558.76x = 61,448,370,513.87
  5. Step 5: Solve for x
    x = 61,448,370,513.87/243,558.76
  6. Step 6: Final answer
    x = 252,293.82

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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.