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Finding the Fourth Proportional to 260,355,988.48, 359,267,516.48 and 154,491,160.90

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Solution

The fourth proportional to 260,355,988.48, 359,267,516.48 and 154,491,160.90 is: 213,183,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,355,988.48 : 359,267,516.48 = 154,491,160.90 : x
  2. Step 2: Convert to fraction form
    260,355,988.48/359,267,516.48 = 154,491,160.90/x
  3. Step 3: Cross multiply
    260,355,988.48x = 359,267,516.48 × 154,491,160.90
  4. Step 4: Simplify right side
    260,355,988.48x = 55,503,655,694,655,088
  5. Step 5: Solve for x
    x = 55,503,655,694,655,088/260,355,988.48
  6. Step 6: Final answer
    x = 213,183,710.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.