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Finding the Fourth Proportional to 180,043.80, 270,094.74 and 55,384.68

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Solution

The fourth proportional to 180,043.80, 270,094.74 and 55,384.68 is: 83,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,043.80 : 270,094.74 = 55,384.68 : x
  2. Step 2: Convert to fraction form
    180,043.80/270,094.74 = 55,384.68/x
  3. Step 3: Cross multiply
    180,043.80x = 270,094.74 × 55,384.68
  4. Step 4: Simplify right side
    180,043.80x = 14,959,110,744.58
  5. Step 5: Solve for x
    x = 14,959,110,744.58/180,043.80
  6. Step 6: Final answer
    x = 83,085.95

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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.