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Finding the Fourth Proportional to 86,225.30, 129,097.64 and 44,014.58

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Solution

The fourth proportional to 86,225.30, 129,097.64 and 44,014.58 is: 65,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.30 : 129,097.64 = 44,014.58 : x
  2. Step 2: Convert to fraction form
    86,225.30/129,097.64 = 44,014.58/x
  3. Step 3: Cross multiply
    86,225.30x = 129,097.64 × 44,014.58
  4. Step 4: Simplify right side
    86,225.30x = 5,682,178,403.59
  5. Step 5: Solve for x
    x = 5,682,178,403.59/86,225.30
  6. Step 6: Final answer
    x = 65,899.20

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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.