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Finding the Fourth Proportional to 232,596.26, 320,990.59 and 130,639.69

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Solution

The fourth proportional to 232,596.26, 320,990.59 and 130,639.69 is: 180,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,596.26 : 320,990.59 = 130,639.69 : x
  2. Step 2: Convert to fraction form
    232,596.26/320,990.59 = 130,639.69/x
  3. Step 3: Cross multiply
    232,596.26x = 320,990.59 × 130,639.69
  4. Step 4: Simplify right side
    232,596.26x = 41,934,111,170.52
  5. Step 5: Solve for x
    x = 41,934,111,170.52/232,596.26
  6. Step 6: Final answer
    x = 180,287.13

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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.