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Finding the Fourth Proportional to 235,349.10, 324,783.74 and 127,919.10

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Solution

The fourth proportional to 235,349.10, 324,783.74 and 127,919.10 is: 176,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,349.10 : 324,783.74 = 127,919.10 : x
  2. Step 2: Convert to fraction form
    235,349.10/324,783.74 = 127,919.10/x
  3. Step 3: Cross multiply
    235,349.10x = 324,783.74 × 127,919.10
  4. Step 4: Simplify right side
    235,349.10x = 41,546,043,715.43
  5. Step 5: Solve for x
    x = 41,546,043,715.43/235,349.10
  6. Step 6: Final answer
    x = 176,529.44

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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.