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Finding the Fourth Proportional to 113,957.87, 157,261.84 and 63,656.87

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Solution

The fourth proportional to 113,957.87, 157,261.84 and 63,656.87 is: 87,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,957.87 : 157,261.84 = 63,656.87 : x
  2. Step 2: Convert to fraction form
    113,957.87/157,261.84 = 63,656.87/x
  3. Step 3: Cross multiply
    113,957.87x = 157,261.84 × 63,656.87
  4. Step 4: Simplify right side
    113,957.87x = 10,010,795,559.39
  5. Step 5: Solve for x
    x = 10,010,795,559.39/113,957.87
  6. Step 6: Final answer
    x = 87,846.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.