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Finding the Fourth Proportional to 147,045, 220,567.50 and 36,237

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Solution

The fourth proportional to 147,045, 220,567.50 and 36,237 is: 54,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,045 : 220,567.50 = 36,237 : x
  2. Step 2: Convert to fraction form
    147,045/220,567.50 = 36,237/x
  3. Step 3: Cross multiply
    147,045x = 220,567.50 × 36,237
  4. Step 4: Simplify right side
    147,045x = 7,992,704,497.50
  5. Step 5: Solve for x
    x = 7,992,704,497.50/147,045
  6. Step 6: Final answer
    x = 54,355.50

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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.