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Finding the Fourth Proportional to 163,666.31, 225,964.35 and 147,526.25

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Solution

The fourth proportional to 163,666.31, 225,964.35 and 147,526.25 is: 203,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666.31 : 225,964.35 = 147,526.25 : x
  2. Step 2: Convert to fraction form
    163,666.31/225,964.35 = 147,526.25/x
  3. Step 3: Cross multiply
    163,666.31x = 225,964.35 × 147,526.25
  4. Step 4: Simplify right side
    163,666.31x = 33,335,672,059.37
  5. Step 5: Solve for x
    x = 33,335,672,059.37/163,666.31
  6. Step 6: Final answer
    x = 203,680.73

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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.