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Finding the Fourth Proportional to 163,809.96, 226,079.52 and 92,203.92

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Solution

The fourth proportional to 163,809.96, 226,079.52 and 92,203.92 is: 127,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,809.96 : 226,079.52 = 92,203.92 : x
  2. Step 2: Convert to fraction form
    163,809.96/226,079.52 = 92,203.92/x
  3. Step 3: Cross multiply
    163,809.96x = 226,079.52 × 92,203.92
  4. Step 4: Simplify right side
    163,809.96x = 20,845,417,975.72
  5. Step 5: Solve for x
    x = 20,845,417,975.72/163,809.96
  6. Step 6: Final answer
    x = 127,253.67

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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.