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Finding the Fourth Proportional to 159,204.81, 219,700.82 and 118,550.79

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Solution

The fourth proportional to 159,204.81, 219,700.82 and 118,550.79 is: 163,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,204.81 : 219,700.82 = 118,550.79 : x
  2. Step 2: Convert to fraction form
    159,204.81/219,700.82 = 118,550.79/x
  3. Step 3: Cross multiply
    159,204.81x = 219,700.82 × 118,550.79
  4. Step 4: Simplify right side
    159,204.81x = 26,045,706,071.02
  5. Step 5: Solve for x
    x = 26,045,706,071.02/159,204.81
  6. Step 6: Final answer
    x = 163,598.74

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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.