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Finding the Fourth Proportional to 360,094,992.96, 540,142,495.92 and 87,463,922.88

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Solution

The fourth proportional to 360,094,992.96, 540,142,495.92 and 87,463,922.88 is: 131,195,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,094,992.96 : 540,142,495.92 = 87,463,922.88 : x
  2. Step 2: Convert to fraction form
    360,094,992.96/540,142,495.92 = 87,463,922.88/x
  3. Step 3: Cross multiply
    360,094,992.96x = 540,142,495.92 × 87,463,922.88
  4. Step 4: Simplify right side
    360,094,992.96x = 47,242,981,607,357,592
  5. Step 5: Solve for x
    x = 47,242,981,607,357,592/360,094,992.96
  6. Step 6: Final answer
    x = 131,195,885.89

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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.