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Finding the Fourth Proportional to 98,892,532.80, 148,401,784.80 and 57,951,892.80

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Solution

The fourth proportional to 98,892,532.80, 148,401,784.80 and 57,951,892.80 is: 86,964,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,892,532.80 : 148,401,784.80 = 57,951,892.80 : x
  2. Step 2: Convert to fraction form
    98,892,532.80/148,401,784.80 = 57,951,892.80/x
  3. Step 3: Cross multiply
    98,892,532.80x = 148,401,784.80 × 57,951,892.80
  4. Step 4: Simplify right side
    98,892,532.80x = 8,600,164,324,058,270
  5. Step 5: Solve for x
    x = 8,600,164,324,058,270/98,892,532.80
  6. Step 6: Final answer
    x = 86,964,749.31

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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.