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Finding the Fourth Proportional to 189,196.66, 262,218.43 and 185,653.72

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Solution

The fourth proportional to 189,196.66, 262,218.43 and 185,653.72 is: 257,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,196.66 : 262,218.43 = 185,653.72 : x
  2. Step 2: Convert to fraction form
    189,196.66/262,218.43 = 185,653.72/x
  3. Step 3: Cross multiply
    189,196.66x = 262,218.43 × 185,653.72
  4. Step 4: Simplify right side
    189,196.66x = 48,681,827,541.90
  5. Step 5: Solve for x
    x = 48,681,827,541.90/189,196.66
  6. Step 6: Final answer
    x = 257,308.07

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.