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Finding the Fourth Proportional to 58,444,842.90, 82,001,939.10 and 58,444,842.90

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Solution

The fourth proportional to 58,444,842.90, 82,001,939.10 and 58,444,842.90 is: 82,001,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,444,842.90 : 82,001,939.10 = 58,444,842.90 : x
  2. Step 2: Convert to fraction form
    58,444,842.90/82,001,939.10 = 58,444,842.90/x
  3. Step 3: Cross multiply
    58,444,842.90x = 82,001,939.10 × 58,444,842.90
  4. Step 4: Simplify right side
    58,444,842.90x = 4,792,590,448,194,867
  5. Step 5: Solve for x
    x = 4,792,590,448,194,867/58,444,842.90
  6. Step 6: Final answer
    x = 82,001,939.10

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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.