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Finding the Fourth Proportional to 61,236,212.52, 91,854,448.44 and 57,494,867.88

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Solution

The fourth proportional to 61,236,212.52, 91,854,448.44 and 57,494,867.88 is: 86,242,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236,212.52 : 91,854,448.44 = 57,494,867.88 : x
  2. Step 2: Convert to fraction form
    61,236,212.52/91,854,448.44 = 57,494,867.88/x
  3. Step 3: Cross multiply
    61,236,212.52x = 91,854,448.44 × 57,494,867.88
  4. Step 4: Simplify right side
    61,236,212.52x = 5,281,159,377,248,072
  5. Step 5: Solve for x
    x = 5,281,159,377,248,072/61,236,212.52
  6. Step 6: Final answer
    x = 86,242,423.56

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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.