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Finding the Fourth Proportional to 174,859.40, 262,353.90 and 56,534.60

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Solution

The fourth proportional to 174,859.40, 262,353.90 and 56,534.60 is: 84,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,859.40 : 262,353.90 = 56,534.60 : x
  2. Step 2: Convert to fraction form
    174,859.40/262,353.90 = 56,534.60/x
  3. Step 3: Cross multiply
    174,859.40x = 262,353.90 × 56,534.60
  4. Step 4: Simplify right side
    174,859.40x = 14,832,072,794.94
  5. Step 5: Solve for x
    x = 14,832,072,794.94/174,859.40
  6. Step 6: Final answer
    x = 84,822.85

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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.