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Finding the Fourth Proportional to 103,295.80, 154,943.38 and 58,296.75

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Solution

The fourth proportional to 103,295.80, 154,943.38 and 58,296.75 is: 87,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,295.80 : 154,943.38 = 58,296.75 : x
  2. Step 2: Convert to fraction form
    103,295.80/154,943.38 = 58,296.75/x
  3. Step 3: Cross multiply
    103,295.80x = 154,943.38 × 58,296.75
  4. Step 4: Simplify right side
    103,295.80x = 9,032,695,488.02
  5. Step 5: Solve for x
    x = 9,032,695,488.02/103,295.80
  6. Step 6: Final answer
    x = 87,444.94

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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.