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Finding the Fourth Proportional to 154,475.52, 213,272.52 and 118,594.08

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Solution

The fourth proportional to 154,475.52, 213,272.52 and 118,594.08 is: 163,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,475.52 : 213,272.52 = 118,594.08 : x
  2. Step 2: Convert to fraction form
    154,475.52/213,272.52 = 118,594.08/x
  3. Step 3: Cross multiply
    154,475.52x = 213,272.52 × 118,594.08
  4. Step 4: Simplify right side
    154,475.52x = 25,292,858,298.68
  5. Step 5: Solve for x
    x = 25,292,858,298.68/154,475.52
  6. Step 6: Final answer
    x = 163,733.76

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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.