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Finding the Fourth Proportional to 169,211.56, 233,511.78 and 93,760.06

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Solution

The fourth proportional to 169,211.56, 233,511.78 and 93,760.06 is: 129,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,211.56 : 233,511.78 = 93,760.06 : x
  2. Step 2: Convert to fraction form
    169,211.56/233,511.78 = 93,760.06/x
  3. Step 3: Cross multiply
    169,211.56x = 233,511.78 × 93,760.06
  4. Step 4: Simplify right side
    169,211.56x = 21,894,078,503.51
  5. Step 5: Solve for x
    x = 21,894,078,503.51/169,211.56
  6. Step 6: Final answer
    x = 129,388.79

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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.