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Finding the Fourth Proportional to 238,459.92, 329,074.59 and 131,036.88

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Solution

The fourth proportional to 238,459.92, 329,074.59 and 131,036.88 is: 180,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,459.92 : 329,074.59 = 131,036.88 : x
  2. Step 2: Convert to fraction form
    238,459.92/329,074.59 = 131,036.88/x
  3. Step 3: Cross multiply
    238,459.92x = 329,074.59 × 131,036.88
  4. Step 4: Simplify right side
    238,459.92x = 43,120,905,915.51
  5. Step 5: Solve for x
    x = 43,120,905,915.51/238,459.92
  6. Step 6: Final answer
    x = 180,830.84

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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.