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Finding the Fourth Proportional to 180,187.94, 248,640.30 and 99,602.46

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Solution

The fourth proportional to 180,187.94, 248,640.30 and 99,602.46 is: 137,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,187.94 : 248,640.30 = 99,602.46 : x
  2. Step 2: Convert to fraction form
    180,187.94/248,640.30 = 99,602.46/x
  3. Step 3: Cross multiply
    180,187.94x = 248,640.30 × 99,602.46
  4. Step 4: Simplify right side
    180,187.94x = 24,765,185,535.14
  5. Step 5: Solve for x
    x = 24,765,185,535.14/180,187.94
  6. Step 6: Final answer
    x = 137,440.86

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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.