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Finding the Fourth Proportional to 238,136.63, 328,616.64 and 141,344.69

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Solution

The fourth proportional to 238,136.63, 328,616.64 and 141,344.69 is: 195,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,136.63 : 328,616.64 = 141,344.69 : x
  2. Step 2: Convert to fraction form
    238,136.63/328,616.64 = 141,344.69/x
  3. Step 3: Cross multiply
    238,136.63x = 328,616.64 × 141,344.69
  4. Step 4: Simplify right side
    238,136.63x = 46,448,215,466.56
  5. Step 5: Solve for x
    x = 46,448,215,466.56/238,136.63
  6. Step 6: Final answer
    x = 195,048.60

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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.