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Finding the Fourth Proportional to 243,709.14, 336,403.32 and 167,480.64

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Solution

The fourth proportional to 243,709.14, 336,403.32 and 167,480.64 is: 231,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,709.14 : 336,403.32 = 167,480.64 : x
  2. Step 2: Convert to fraction form
    243,709.14/336,403.32 = 167,480.64/x
  3. Step 3: Cross multiply
    243,709.14x = 336,403.32 × 167,480.64
  4. Step 4: Simplify right side
    243,709.14x = 56,341,043,331.72
  5. Step 5: Solve for x
    x = 56,341,043,331.72/243,709.14
  6. Step 6: Final answer
    x = 231,181.50

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1.5x scale

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.