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Finding the Fourth Proportional to 115,693.84, 173,389.08 and 65,796.88

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Solution

The fourth proportional to 115,693.84, 173,389.08 and 65,796.88 is: 98,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,693.84 : 173,389.08 = 65,796.88 : x
  2. Step 2: Convert to fraction form
    115,693.84/173,389.08 = 65,796.88/x
  3. Step 3: Cross multiply
    115,693.84x = 173,389.08 × 65,796.88
  4. Step 4: Simplify right side
    115,693.84x = 11,408,460,490.07
  5. Step 5: Solve for x
    x = 11,408,460,490.07/115,693.84
  6. Step 6: Final answer
    x = 98,609.06

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1.5x scale

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.