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Finding the Fourth Proportional to 214,955.58, 322,462.54 and 74,695.98

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Solution

The fourth proportional to 214,955.58, 322,462.54 and 74,695.98 is: 112,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,955.58 : 322,462.54 = 74,695.98 : x
  2. Step 2: Convert to fraction form
    214,955.58/322,462.54 = 74,695.98/x
  3. Step 3: Cross multiply
    214,955.58x = 322,462.54 × 74,695.98
  4. Step 4: Simplify right side
    214,955.58x = 24,086,655,438.59
  5. Step 5: Solve for x
    x = 24,086,655,438.59/214,955.58
  6. Step 6: Final answer
    x = 112,054.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.