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Finding the Fourth Proportional to 180,043.52, 248,464.98 and 99,476.12

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Solution

The fourth proportional to 180,043.52, 248,464.98 and 99,476.12 is: 137,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,043.52 : 248,464.98 = 99,476.12 : x
  2. Step 2: Convert to fraction form
    180,043.52/248,464.98 = 99,476.12/x
  3. Step 3: Cross multiply
    180,043.52x = 248,464.98 × 99,476.12
  4. Step 4: Simplify right side
    180,043.52x = 24,716,330,923.95
  5. Step 5: Solve for x
    x = 24,716,330,923.95/180,043.52
  6. Step 6: Final answer
    x = 137,279.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.