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Finding the Fourth Proportional to 180,054.80, 248,480.64 and 99,487.52

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Solution

The fourth proportional to 180,054.80, 248,480.64 and 99,487.52 is: 137,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,054.80 : 248,480.64 = 99,487.52 : x
  2. Step 2: Convert to fraction form
    180,054.80/248,480.64 = 99,487.52/x
  3. Step 3: Cross multiply
    180,054.80x = 248,480.64 × 99,487.52
  4. Step 4: Simplify right side
    180,054.80x = 24,720,720,901.77
  5. Step 5: Solve for x
    x = 24,720,720,901.77/180,054.80
  6. Step 6: Final answer
    x = 137,295.54

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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.