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Finding the Fourth Proportional to 235,242.56, 324,630.80 and 127,814.24

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Solution

The fourth proportional to 235,242.56, 324,630.80 and 127,814.24 is: 176,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,242.56 : 324,630.80 = 127,814.24 : x
  2. Step 2: Convert to fraction form
    235,242.56/324,630.80 = 127,814.24/x
  3. Step 3: Cross multiply
    235,242.56x = 324,630.80 × 127,814.24
  4. Step 4: Simplify right side
    235,242.56x = 41,492,438,982.59
  5. Step 5: Solve for x
    x = 41,492,438,982.59/235,242.56
  6. Step 6: Final answer
    x = 176,381.51

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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.