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Finding the Fourth Proportional to 70,614.72, 97,536.11 and 52,790.67

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Solution

The fourth proportional to 70,614.72, 97,536.11 and 52,790.67 is: 72,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.72 : 97,536.11 = 52,790.67 : x
  2. Step 2: Convert to fraction form
    70,614.72/97,536.11 = 52,790.67/x
  3. Step 3: Cross multiply
    70,614.72x = 97,536.11 × 52,790.67
  4. Step 4: Simplify right side
    70,614.72x = 5,148,996,332.14
  5. Step 5: Solve for x
    x = 5,148,996,332.14/70,614.72
  6. Step 6: Final answer
    x = 72,916.76

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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.