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Finding the Fourth Proportional to 86,800.14, 130,066.22 and 58,609.72

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Solution

The fourth proportional to 86,800.14, 130,066.22 and 58,609.72 is: 87,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.14 : 130,066.22 = 58,609.72 : x
  2. Step 2: Convert to fraction form
    86,800.14/130,066.22 = 58,609.72/x
  3. Step 3: Cross multiply
    86,800.14x = 130,066.22 × 58,609.72
  4. Step 4: Simplify right side
    86,800.14x = 7,623,144,735.66
  5. Step 5: Solve for x
    x = 7,623,144,735.66/86,800.14
  6. Step 6: Final answer
    x = 87,824.11

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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.