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Finding the Fourth Proportional to 97,602.28, 134,691.30 and 52,890.28

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Solution

The fourth proportional to 97,602.28, 134,691.30 and 52,890.28 is: 72,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,602.28 : 134,691.30 = 52,890.28 : x
  2. Step 2: Convert to fraction form
    97,602.28/134,691.30 = 52,890.28/x
  3. Step 3: Cross multiply
    97,602.28x = 134,691.30 × 52,890.28
  4. Step 4: Simplify right side
    97,602.28x = 7,123,860,570.56
  5. Step 5: Solve for x
    x = 7,123,860,570.56/97,602.28
  6. Step 6: Final answer
    x = 72,988.67

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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.