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Finding the Fourth Proportional to 114,472.70, 157,966.77 and 63,487.45

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Solution

The fourth proportional to 114,472.70, 157,966.77 and 63,487.45 is: 87,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,472.70 : 157,966.77 = 63,487.45 : x
  2. Step 2: Convert to fraction form
    114,472.70/157,966.77 = 63,487.45/x
  3. Step 3: Cross multiply
    114,472.70x = 157,966.77 × 63,487.45
  4. Step 4: Simplify right side
    114,472.70x = 10,028,907,412.04
  5. Step 5: Solve for x
    x = 10,028,907,412.04/114,472.70
  6. Step 6: Final answer
    x = 87,609.60

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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.