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Finding the Fourth Proportional to 238,391.27, 328,834.03 and 141,529.38

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Solution

The fourth proportional to 238,391.27, 328,834.03 and 141,529.38 is: 195,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,391.27 : 328,834.03 = 141,529.38 : x
  2. Step 2: Convert to fraction form
    238,391.27/328,834.03 = 141,529.38/x
  3. Step 3: Cross multiply
    238,391.27x = 328,834.03 × 141,529.38
  4. Step 4: Simplify right side
    238,391.27x = 46,539,675,681.15
  5. Step 5: Solve for x
    x = 46,539,675,681.15/238,391.27
  6. Step 6: Final answer
    x = 195,223.91

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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.