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Finding the Fourth Proportional to 103,544.98, 142,891.34 and 58,832.98

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Solution

The fourth proportional to 103,544.98, 142,891.34 and 58,832.98 is: 81,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,544.98 : 142,891.34 = 58,832.98 : x
  2. Step 2: Convert to fraction form
    103,544.98/142,891.34 = 58,832.98/x
  3. Step 3: Cross multiply
    103,544.98x = 142,891.34 × 58,832.98
  4. Step 4: Simplify right side
    103,544.98x = 8,406,722,697.00
  5. Step 5: Solve for x
    x = 8,406,722,697.00/103,544.98
  6. Step 6: Final answer
    x = 81,189.09

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1.5x scale

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.