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Finding the Fourth Proportional to 86,074.55, 129,101.53 and 22,899.30

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Solution

The fourth proportional to 86,074.55, 129,101.53 and 22,899.30 is: 34,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.55 : 129,101.53 = 22,899.30 : x
  2. Step 2: Convert to fraction form
    86,074.55/129,101.53 = 22,899.30/x
  3. Step 3: Cross multiply
    86,074.55x = 129,101.53 × 22,899.30
  4. Step 4: Simplify right side
    86,074.55x = 2,956,334,665.93
  5. Step 5: Solve for x
    x = 2,956,334,665.93/86,074.55
  6. Step 6: Final answer
    x = 34,346.21

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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.