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Finding the Fourth Proportional to 239,047.50, 329,885.56 and 133,063.50

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Solution

The fourth proportional to 239,047.50, 329,885.56 and 133,063.50 is: 183,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,047.50 : 329,885.56 = 133,063.50 : x
  2. Step 2: Convert to fraction form
    239,047.50/329,885.56 = 133,063.50/x
  3. Step 3: Cross multiply
    239,047.50x = 329,885.56 × 133,063.50
  4. Step 4: Simplify right side
    239,047.50x = 43,895,727,213.06
  5. Step 5: Solve for x
    x = 43,895,727,213.06/239,047.50
  6. Step 6: Final answer
    x = 183,627.64

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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.