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Finding the Fourth Proportional to 253,859.84, 350,365.16 and 162,018.75

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Solution

The fourth proportional to 253,859.84, 350,365.16 and 162,018.75 is: 223,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,859.84 : 350,365.16 = 162,018.75 : x
  2. Step 2: Convert to fraction form
    253,859.84/350,365.16 = 162,018.75/x
  3. Step 3: Cross multiply
    253,859.84x = 350,365.16 × 162,018.75
  4. Step 4: Simplify right side
    253,859.84x = 56,765,725,671.80
  5. Step 5: Solve for x
    x = 56,765,725,671.80/253,859.84
  6. Step 6: Final answer
    x = 223,610.50

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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.