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Finding the Fourth Proportional to 89,505.69, 134,263.80 and 36,897

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Solution

The fourth proportional to 89,505.69, 134,263.80 and 36,897 is: 55,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.69 : 134,263.80 = 36,897 : x
  2. Step 2: Convert to fraction form
    89,505.69/134,263.80 = 36,897/x
  3. Step 3: Cross multiply
    89,505.69x = 134,263.80 × 36,897
  4. Step 4: Simplify right side
    89,505.69x = 4,953,931,428.60
  5. Step 5: Solve for x
    x = 4,953,931,428.60/89,505.69
  6. Step 6: Final answer
    x = 55,347.67

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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.