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Finding the Fourth Proportional to 180,172.80, 270,259.20 and 176,486.40

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Solution

The fourth proportional to 180,172.80, 270,259.20 and 176,486.40 is: 264,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,172.80 : 270,259.20 = 176,486.40 : x
  2. Step 2: Convert to fraction form
    180,172.80/270,259.20 = 176,486.40/x
  3. Step 3: Cross multiply
    180,172.80x = 270,259.20 × 176,486.40
  4. Step 4: Simplify right side
    180,172.80x = 47,697,073,274.88
  5. Step 5: Solve for x
    x = 47,697,073,274.88/180,172.80
  6. Step 6: Final answer
    x = 264,729.60

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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.