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Finding the Fourth Proportional to 114,472.82, 157,973.65 and 63,486.56

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Solution

The fourth proportional to 114,472.82, 157,973.65 and 63,486.56 is: 87,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,472.82 : 157,973.65 = 63,486.56 : x
  2. Step 2: Convert to fraction form
    114,472.82/157,973.65 = 63,486.56/x
  3. Step 3: Cross multiply
    114,472.82x = 157,973.65 × 63,486.56
  4. Step 4: Simplify right side
    114,472.82x = 10,029,203,609.14
  5. Step 5: Solve for x
    x = 10,029,203,609.14/114,472.82
  6. Step 6: Final answer
    x = 87,612.10

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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.