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Finding the Fourth Proportional to 197,625.58, 272,655.15 and 111,573.82

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Solution

The fourth proportional to 197,625.58, 272,655.15 and 111,573.82 is: 153,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,625.58 : 272,655.15 = 111,573.82 : x
  2. Step 2: Convert to fraction form
    197,625.58/272,655.15 = 111,573.82/x
  3. Step 3: Cross multiply
    197,625.58x = 272,655.15 × 111,573.82
  4. Step 4: Simplify right side
    197,625.58x = 30,421,176,628.17
  5. Step 5: Solve for x
    x = 30,421,176,628.17/197,625.58
  6. Step 6: Final answer
    x = 153,933.40

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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.