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Finding the Fourth Proportional to 169,595.94, 234,030.66 and 94,138.50

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Solution

The fourth proportional to 169,595.94, 234,030.66 and 94,138.50 is: 129,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,595.94 : 234,030.66 = 94,138.50 : x
  2. Step 2: Convert to fraction form
    169,595.94/234,030.66 = 94,138.50/x
  3. Step 3: Cross multiply
    169,595.94x = 234,030.66 × 94,138.50
  4. Step 4: Simplify right side
    169,595.94x = 22,031,295,286.41
  5. Step 5: Solve for x
    x = 22,031,295,286.41/169,595.94
  6. Step 6: Final answer
    x = 129,904.61

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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.