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Finding the Fourth Proportional to 103,800, 143,244.16 and 59,088

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Solution

The fourth proportional to 103,800, 143,244.16 and 59,088 is: 81,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,800 : 143,244.16 = 59,088 : x
  2. Step 2: Convert to fraction form
    103,800/143,244.16 = 59,088/x
  3. Step 3: Cross multiply
    103,800x = 143,244.16 × 59,088
  4. Step 4: Simplify right side
    103,800x = 8,464,010,926.08
  5. Step 5: Solve for x
    x = 8,464,010,926.08/103,800
  6. Step 6: Final answer
    x = 81,541.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.