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Finding the Fourth Proportional to 245,025.70, 367,452.15 and 87,259.30

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Solution

The fourth proportional to 245,025.70, 367,452.15 and 87,259.30 is: 130,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,025.70 : 367,452.15 = 87,259.30 : x
  2. Step 2: Convert to fraction form
    245,025.70/367,452.15 = 87,259.30/x
  3. Step 3: Cross multiply
    245,025.70x = 367,452.15 × 87,259.30
  4. Step 4: Simplify right side
    245,025.70x = 32,063,617,392.50
  5. Step 5: Solve for x
    x = 32,063,617,392.50/245,025.70
  6. Step 6: Final answer
    x = 130,858.18

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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.