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Finding the Fourth Proportional to 173,894.40, 260,841.60 and 170,395.20

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Solution

The fourth proportional to 173,894.40, 260,841.60 and 170,395.20 is: 255,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,894.40 : 260,841.60 = 170,395.20 : x
  2. Step 2: Convert to fraction form
    173,894.40/260,841.60 = 170,395.20/x
  3. Step 3: Cross multiply
    173,894.40x = 260,841.60 × 170,395.20
  4. Step 4: Simplify right side
    173,894.40x = 44,446,156,600.32
  5. Step 5: Solve for x
    x = 44,446,156,600.32/173,894.40
  6. Step 6: Final answer
    x = 255,592.80

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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.