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Finding the Fourth Proportional to 357,096.88, 535,676.76 and 132,459.76

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Solution

The fourth proportional to 357,096.88, 535,676.76 and 132,459.76 is: 198,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,096.88 : 535,676.76 = 132,459.76 : x
  2. Step 2: Convert to fraction form
    357,096.88/535,676.76 = 132,459.76/x
  3. Step 3: Cross multiply
    357,096.88x = 535,676.76 × 132,459.76
  4. Step 4: Simplify right side
    357,096.88x = 70,955,615,067.18
  5. Step 5: Solve for x
    x = 70,955,615,067.18/357,096.88
  6. Step 6: Final answer
    x = 198,701.30

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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.