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Finding the Fourth Proportional to 98,507.34, 135,950.13 and 58,234.14

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Solution

The fourth proportional to 98,507.34, 135,950.13 and 58,234.14 is: 80,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,507.34 : 135,950.13 = 58,234.14 : x
  2. Step 2: Convert to fraction form
    98,507.34/135,950.13 = 58,234.14/x
  3. Step 3: Cross multiply
    98,507.34x = 135,950.13 × 58,234.14
  4. Step 4: Simplify right side
    98,507.34x = 7,916,938,903.44
  5. Step 5: Solve for x
    x = 7,916,938,903.44/98,507.34
  6. Step 6: Final answer
    x = 80,369.03

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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.