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Finding the Fourth Proportional to 173,871.40, 260,223.90 and 152,876.20

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Solution

The fourth proportional to 173,871.40, 260,223.90 and 152,876.20 is: 228,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,871.40 : 260,223.90 = 152,876.20 : x
  2. Step 2: Convert to fraction form
    173,871.40/260,223.90 = 152,876.20/x
  3. Step 3: Cross multiply
    173,871.40x = 260,223.90 × 152,876.20
  4. Step 4: Simplify right side
    173,871.40x = 39,782,040,981.18
  5. Step 5: Solve for x
    x = 39,782,040,981.18/173,871.40
  6. Step 6: Final answer
    x = 228,801.52

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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.