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Finding the Fourth Proportional to 82,344.90, 113,636.36 and 44,619.15

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Solution

The fourth proportional to 82,344.90, 113,636.36 and 44,619.15 is: 61,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344.90 : 113,636.36 = 44,619.15 : x
  2. Step 2: Convert to fraction form
    82,344.90/113,636.36 = 44,619.15/x
  3. Step 3: Cross multiply
    82,344.90x = 113,636.36 × 44,619.15
  4. Step 4: Simplify right side
    82,344.90x = 5,070,357,903.84
  5. Step 5: Solve for x
    x = 5,070,357,903.84/82,344.90
  6. Step 6: Final answer
    x = 61,574.64

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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.