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Finding the Fourth Proportional to 89,754.33, 134,628.33 and 42,352.11

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Solution

The fourth proportional to 89,754.33, 134,628.33 and 42,352.11 is: 63,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.33 : 134,628.33 = 42,352.11 : x
  2. Step 2: Convert to fraction form
    89,754.33/134,628.33 = 42,352.11/x
  3. Step 3: Cross multiply
    89,754.33x = 134,628.33 × 42,352.11
  4. Step 4: Simplify right side
    89,754.33x = 5,701,793,841.28
  5. Step 5: Solve for x
    x = 5,701,793,841.28/89,754.33
  6. Step 6: Final answer
    x = 63,526.67

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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.