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Finding the Fourth Proportional to 16,509,744.90, 23,161,472.55 and 16,509,744.90

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Solution

The fourth proportional to 16,509,744.90, 23,161,472.55 and 16,509,744.90 is: 23,161,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,509,744.90 : 23,161,472.55 = 16,509,744.90 : x
  2. Step 2: Convert to fraction form
    16,509,744.90/23,161,472.55 = 16,509,744.90/x
  3. Step 3: Cross multiply
    16,509,744.90x = 23,161,472.55 × 16,509,744.90
  4. Step 4: Simplify right side
    16,509,744.90x = 382,390,003,308,852.50
  5. Step 5: Solve for x
    x = 382,390,003,308,852.50/16,509,744.90
  6. Step 6: Final answer
    x = 23,161,472.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.