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Finding the Fourth Proportional to 185,810.80, 256,525.30 and 122,333.13

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Solution

The fourth proportional to 185,810.80, 256,525.30 and 122,333.13 is: 168,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,810.80 : 256,525.30 = 122,333.13 : x
  2. Step 2: Convert to fraction form
    185,810.80/256,525.30 = 122,333.13/x
  3. Step 3: Cross multiply
    185,810.80x = 256,525.30 × 122,333.13
  4. Step 4: Simplify right side
    185,810.80x = 31,381,542,873.19
  5. Step 5: Solve for x
    x = 31,381,542,873.19/185,810.80
  6. Step 6: Final answer
    x = 168,889.77

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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.