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Finding the Fourth Proportional to 219,575.31, 303,014.15 and 118,973.31

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Solution

The fourth proportional to 219,575.31, 303,014.15 and 118,973.31 is: 164,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,575.31 : 303,014.15 = 118,973.31 : x
  2. Step 2: Convert to fraction form
    219,575.31/303,014.15 = 118,973.31/x
  3. Step 3: Cross multiply
    219,575.31x = 303,014.15 × 118,973.31
  4. Step 4: Simplify right side
    219,575.31x = 36,050,596,402.34
  5. Step 5: Solve for x
    x = 36,050,596,402.34/219,575.31
  6. Step 6: Final answer
    x = 164,183.29

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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.