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Finding the Fourth Proportional to 144,466.50, 216,668.96 and 55,690.50

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Solution

The fourth proportional to 144,466.50, 216,668.96 and 55,690.50 is: 83,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,466.50 : 216,668.96 = 55,690.50 : x
  2. Step 2: Convert to fraction form
    144,466.50/216,668.96 = 55,690.50/x
  3. Step 3: Cross multiply
    144,466.50x = 216,668.96 × 55,690.50
  4. Step 4: Simplify right side
    144,466.50x = 12,066,402,716.88
  5. Step 5: Solve for x
    x = 12,066,402,716.88/144,466.50
  6. Step 6: Final answer
    x = 83,523.88

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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.