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Finding the Fourth Proportional to 174,776.70, 262,359.45 and 108,291.90

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Solution

The fourth proportional to 174,776.70, 262,359.45 and 108,291.90 is: 162,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,776.70 : 262,359.45 = 108,291.90 : x
  2. Step 2: Convert to fraction form
    174,776.70/262,359.45 = 108,291.90/x
  3. Step 3: Cross multiply
    174,776.70x = 262,359.45 × 108,291.90
  4. Step 4: Simplify right side
    174,776.70x = 28,411,403,323.46
  5. Step 5: Solve for x
    x = 28,411,403,323.46/174,776.70
  6. Step 6: Final answer
    x = 162,558.30

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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.