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Finding the Fourth Proportional to 163,082.01, 225,054.80 and 91,460.49

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Solution

The fourth proportional to 163,082.01, 225,054.80 and 91,460.49 is: 126,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,082.01 : 225,054.80 = 91,460.49 : x
  2. Step 2: Convert to fraction form
    163,082.01/225,054.80 = 91,460.49/x
  3. Step 3: Cross multiply
    163,082.01x = 225,054.80 × 91,460.49
  4. Step 4: Simplify right side
    163,082.01x = 20,583,621,827.55
  5. Step 5: Solve for x
    x = 20,583,621,827.55/163,082.01
  6. Step 6: Final answer
    x = 126,216.39

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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.