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Finding the Fourth Proportional to 235,136.59, 324,484.92 and 127,705.68

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Solution

The fourth proportional to 235,136.59, 324,484.92 and 127,705.68 is: 176,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,136.59 : 324,484.92 = 127,705.68 : x
  2. Step 2: Convert to fraction form
    235,136.59/324,484.92 = 127,705.68/x
  3. Step 3: Cross multiply
    235,136.59x = 324,484.92 × 127,705.68
  4. Step 4: Simplify right side
    235,136.59x = 41,438,567,358.35
  5. Step 5: Solve for x
    x = 41,438,567,358.35/235,136.59
  6. Step 6: Final answer
    x = 176,231.90

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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.