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Finding the Fourth Proportional to 30,462,220.80, 45,767,980.80 and 22,903,948.80

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Solution

The fourth proportional to 30,462,220.80, 45,767,980.80 and 22,903,948.80 is: 34,412,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,462,220.80 : 45,767,980.80 = 22,903,948.80 : x
  2. Step 2: Convert to fraction form
    30,462,220.80/45,767,980.80 = 22,903,948.80/x
  3. Step 3: Cross multiply
    30,462,220.80x = 45,767,980.80 × 22,903,948.80
  4. Step 4: Simplify right side
    30,462,220.80x = 1,048,267,488,922,583
  5. Step 5: Solve for x
    x = 1,048,267,488,922,583/30,462,220.80
  6. Step 6: Final answer
    x = 34,412,050.78

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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.