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Finding the Fourth Proportional to 114,472.86, 157,973.85 and 63,486.60

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Solution

The fourth proportional to 114,472.86, 157,973.85 and 63,486.60 is: 87,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,472.86 : 157,973.85 = 63,486.60 : x
  2. Step 2: Convert to fraction form
    114,472.86/157,973.85 = 63,486.60/x
  3. Step 3: Cross multiply
    114,472.86x = 157,973.85 × 63,486.60
  4. Step 4: Simplify right side
    114,472.86x = 10,029,222,625.41
  5. Step 5: Solve for x
    x = 10,029,222,625.41/114,472.86
  6. Step 6: Final answer
    x = 87,612.23

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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.