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Finding the Fourth Proportional to 245,080.10, 367,620.15 and 87,313.70

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Solution

The fourth proportional to 245,080.10, 367,620.15 and 87,313.70 is: 130,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,080.10 : 367,620.15 = 87,313.70 : x
  2. Step 2: Convert to fraction form
    245,080.10/367,620.15 = 87,313.70/x
  3. Step 3: Cross multiply
    245,080.10x = 367,620.15 × 87,313.70
  4. Step 4: Simplify right side
    245,080.10x = 32,098,275,491.06
  5. Step 5: Solve for x
    x = 32,098,275,491.06/245,080.10
  6. Step 6: Final answer
    x = 130,970.55

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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.