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Finding the Fourth Proportional to 357,200.31, 535,800.48 and 107,882.31

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Solution

The fourth proportional to 357,200.31, 535,800.48 and 107,882.31 is: 161,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,200.31 : 535,800.48 = 107,882.31 : x
  2. Step 2: Convert to fraction form
    357,200.31/535,800.48 = 107,882.31/x
  3. Step 3: Cross multiply
    357,200.31x = 535,800.48 × 107,882.31
  4. Step 4: Simplify right side
    357,200.31x = 57,803,393,481.51
  5. Step 5: Solve for x
    x = 57,803,393,481.51/357,200.31
  6. Step 6: Final answer
    x = 161,823.47

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.