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Finding the Fourth Proportional to 14,609,059.02, 20,166,958.53 and 8,730,766.98

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Solution

The fourth proportional to 14,609,059.02, 20,166,958.53 and 8,730,766.98 is: 12,052,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609,059.02 : 20,166,958.53 = 8,730,766.98 : x
  2. Step 2: Convert to fraction form
    14,609,059.02/20,166,958.53 = 8,730,766.98/x
  3. Step 3: Cross multiply
    14,609,059.02x = 20,166,958.53 × 8,730,766.98
  4. Step 4: Simplify right side
    14,609,059.02x = 176,073,015,620,753.34
  5. Step 5: Solve for x
    x = 176,073,015,620,753.34/14,609,059.02
  6. Step 6: Final answer
    x = 12,052,317.36

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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.