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Finding the Fourth Proportional to 238,552.60, 329,211.24 and 131,130.80

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Solution

The fourth proportional to 238,552.60, 329,211.24 and 131,130.80 is: 180,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,552.60 : 329,211.24 = 131,130.80 : x
  2. Step 2: Convert to fraction form
    238,552.60/329,211.24 = 131,130.80/x
  3. Step 3: Cross multiply
    238,552.60x = 329,211.24 × 131,130.80
  4. Step 4: Simplify right side
    238,552.60x = 43,169,733,270.19
  5. Step 5: Solve for x
    x = 43,169,733,270.19/238,552.60
  6. Step 6: Final answer
    x = 180,965.26

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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.