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Finding the Fourth Proportional to 103,759, 155,389.10 and 59,251

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Solution

The fourth proportional to 103,759, 155,389.10 and 59,251 is: 88,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,759 : 155,389.10 = 59,251 : x
  2. Step 2: Convert to fraction form
    103,759/155,389.10 = 59,251/x
  3. Step 3: Cross multiply
    103,759x = 155,389.10 × 59,251
  4. Step 4: Simplify right side
    103,759x = 9,206,959,564.10
  5. Step 5: Solve for x
    x = 9,206,959,564.10/103,759
  6. Step 6: Final answer
    x = 88,734.08

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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.