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Finding the Fourth Proportional to 134,298.86, 185,328.50 and 73,869.44

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Solution

The fourth proportional to 134,298.86, 185,328.50 and 73,869.44 is: 101,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,298.86 : 185,328.50 = 73,869.44 : x
  2. Step 2: Convert to fraction form
    134,298.86/185,328.50 = 73,869.44/x
  3. Step 3: Cross multiply
    134,298.86x = 185,328.50 × 73,869.44
  4. Step 4: Simplify right side
    134,298.86x = 13,690,112,511.04
  5. Step 5: Solve for x
    x = 13,690,112,511.04/134,298.86
  6. Step 6: Final answer
    x = 101,937.67

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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.