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Finding the Fourth Proportional to 58,758.98, 88,119.77 and 19,306.99

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Solution

The fourth proportional to 58,758.98, 88,119.77 and 19,306.99 is: 28,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,758.98 : 88,119.77 = 19,306.99 : x
  2. Step 2: Convert to fraction form
    58,758.98/88,119.77 = 19,306.99/x
  3. Step 3: Cross multiply
    58,758.98x = 88,119.77 × 19,306.99
  4. Step 4: Simplify right side
    58,758.98x = 1,701,327,077.59
  5. Step 5: Solve for x
    x = 1,701,327,077.59/58,758.98
  6. Step 6: Final answer
    x = 28,954.33

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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.