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Finding the Fourth Proportional to 249,764.56, 374,644.80 and 107,710.28

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Solution

The fourth proportional to 249,764.56, 374,644.80 and 107,710.28 is: 161,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,764.56 : 374,644.80 = 107,710.28 : x
  2. Step 2: Convert to fraction form
    249,764.56/374,644.80 = 107,710.28/x
  3. Step 3: Cross multiply
    249,764.56x = 374,644.80 × 107,710.28
  4. Step 4: Simplify right side
    249,764.56x = 40,353,096,308.54
  5. Step 5: Solve for x
    x = 40,353,096,308.54/249,764.56
  6. Step 6: Final answer
    x = 161,564.54

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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.