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Finding the Fourth Proportional to 180,595.78, 270,903.39 and 75,308.74

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Solution

The fourth proportional to 180,595.78, 270,903.39 and 75,308.74 is: 112,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,595.78 : 270,903.39 = 75,308.74 : x
  2. Step 2: Convert to fraction form
    180,595.78/270,903.39 = 75,308.74/x
  3. Step 3: Cross multiply
    180,595.78x = 270,903.39 × 75,308.74
  4. Step 4: Simplify right side
    180,595.78x = 20,401,392,962.63
  5. Step 5: Solve for x
    x = 20,401,392,962.63/180,595.78
  6. Step 6: Final answer
    x = 112,967.16

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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.