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Finding the Fourth Proportional to 82,980,601.90, 124,470,902.85 and 82,980,601.90

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Solution

The fourth proportional to 82,980,601.90, 124,470,902.85 and 82,980,601.90 is: 124,470,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980,601.90 : 124,470,902.85 = 82,980,601.90 : x
  2. Step 2: Convert to fraction form
    82,980,601.90/124,470,902.85 = 82,980,601.90/x
  3. Step 3: Cross multiply
    82,980,601.90x = 124,470,902.85 × 82,980,601.90
  4. Step 4: Simplify right side
    82,980,601.90x = 10,328,670,437,529,426
  5. Step 5: Solve for x
    x = 10,328,670,437,529,426/82,980,601.90
  6. Step 6: Final answer
    x = 124,470,902.85

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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.