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Finding the Fourth Proportional to 175,038.70, 262,874.85 and 153,265.90

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Solution

The fourth proportional to 175,038.70, 262,874.85 and 153,265.90 is: 230,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,038.70 : 262,874.85 = 153,265.90 : x
  2. Step 2: Convert to fraction form
    175,038.70/262,874.85 = 153,265.90/x
  3. Step 3: Cross multiply
    175,038.70x = 262,874.85 × 153,265.90
  4. Step 4: Simplify right side
    175,038.70x = 40,289,750,472.62
  5. Step 5: Solve for x
    x = 40,289,750,472.62/175,038.70
  6. Step 6: Final answer
    x = 230,176.24

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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.