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Finding the Fourth Proportional to 144,384.40, 216,601.20 and 44,542.72

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Solution

The fourth proportional to 144,384.40, 216,601.20 and 44,542.72 is: 66,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,384.40 : 216,601.20 = 44,542.72 : x
  2. Step 2: Convert to fraction form
    144,384.40/216,601.20 = 44,542.72/x
  3. Step 3: Cross multiply
    144,384.40x = 216,601.20 × 44,542.72
  4. Step 4: Simplify right side
    144,384.40x = 9,648,006,603.26
  5. Step 5: Solve for x
    x = 9,648,006,603.26/144,384.40
  6. Step 6: Final answer
    x = 66,821.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.