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Finding the Fourth Proportional to 163,076.82, 225,010.06 and 157,700.89

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Solution

The fourth proportional to 163,076.82, 225,010.06 and 157,700.89 is: 217,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,076.82 : 225,010.06 = 157,700.89 : x
  2. Step 2: Convert to fraction form
    163,076.82/225,010.06 = 157,700.89/x
  3. Step 3: Cross multiply
    163,076.82x = 225,010.06 × 157,700.89
  4. Step 4: Simplify right side
    163,076.82x = 35,484,286,720.95
  5. Step 5: Solve for x
    x = 35,484,286,720.95/163,076.82
  6. Step 6: Final answer
    x = 217,592.46

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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.