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Finding the Fourth Proportional to 225,467.84, 310,995.90 and 144,997.17

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Solution

The fourth proportional to 225,467.84, 310,995.90 and 144,997.17 is: 199,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,467.84 : 310,995.90 = 144,997.17 : x
  2. Step 2: Convert to fraction form
    225,467.84/310,995.90 = 144,997.17/x
  3. Step 3: Cross multiply
    225,467.84x = 310,995.90 × 144,997.17
  4. Step 4: Simplify right side
    225,467.84x = 45,093,525,381.60
  5. Step 5: Solve for x
    x = 45,093,525,381.60/225,467.84
  6. Step 6: Final answer
    x = 199,999.82

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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.