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Finding the Fourth Proportional to 114,474.84, 157,991.41 and 63,498.90

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Solution

The fourth proportional to 114,474.84, 157,991.41 and 63,498.90 is: 87,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,474.84 : 157,991.41 = 63,498.90 : x
  2. Step 2: Convert to fraction form
    114,474.84/157,991.41 = 63,498.90/x
  3. Step 3: Cross multiply
    114,474.84x = 157,991.41 × 63,498.90
  4. Step 4: Simplify right side
    114,474.84x = 10,032,280,744.45
  5. Step 5: Solve for x
    x = 10,032,280,744.45/114,474.84
  6. Step 6: Final answer
    x = 87,637.43

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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.