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Finding the Fourth Proportional to 169,358.59, 254,038.33 and 57,117.65

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Solution

The fourth proportional to 169,358.59, 254,038.33 and 57,117.65 is: 85,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,358.59 : 254,038.33 = 57,117.65 : x
  2. Step 2: Convert to fraction form
    169,358.59/254,038.33 = 57,117.65/x
  3. Step 3: Cross multiply
    169,358.59x = 254,038.33 × 57,117.65
  4. Step 4: Simplify right side
    169,358.59x = 14,510,073,315.03
  5. Step 5: Solve for x
    x = 14,510,073,315.03/169,358.59
  6. Step 6: Final answer
    x = 85,676.63

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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.