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Finding the Fourth Proportional to 93,575.28, 129,134 and 51,133.84

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Solution

The fourth proportional to 93,575.28, 129,134 and 51,133.84 is: 70,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,575.28 : 129,134 = 51,133.84 : x
  2. Step 2: Convert to fraction form
    93,575.28/129,134 = 51,133.84/x
  3. Step 3: Cross multiply
    93,575.28x = 129,134 × 51,133.84
  4. Step 4: Simplify right side
    93,575.28x = 6,603,117,294.56
  5. Step 5: Solve for x
    x = 6,603,117,294.56/93,575.28
  6. Step 6: Final answer
    x = 70,564.76

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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.