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Finding the Fourth Proportional to 114,472.96, 157,968.30 and 63,487.78

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Solution

The fourth proportional to 114,472.96, 157,968.30 and 63,487.78 is: 87,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,472.96 : 157,968.30 = 63,487.78 : x
  2. Step 2: Convert to fraction form
    114,472.96/157,968.30 = 63,487.78/x
  3. Step 3: Cross multiply
    114,472.96x = 157,968.30 × 63,487.78
  4. Step 4: Simplify right side
    114,472.96x = 10,029,056,677.37
  5. Step 5: Solve for x
    x = 10,029,056,677.37/114,472.96
  6. Step 6: Final answer
    x = 87,610.70

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1.5x scale

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.