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Finding the Fourth Proportional to 185,599.08, 256,123.14 and 105,025.12

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Solution

The fourth proportional to 185,599.08, 256,123.14 and 105,025.12 is: 144,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,599.08 : 256,123.14 = 105,025.12 : x
  2. Step 2: Convert to fraction form
    185,599.08/256,123.14 = 105,025.12/x
  3. Step 3: Cross multiply
    185,599.08x = 256,123.14 × 105,025.12
  4. Step 4: Simplify right side
    185,599.08x = 26,899,363,513.28
  5. Step 5: Solve for x
    x = 26,899,363,513.28/185,599.08
  6. Step 6: Final answer
    x = 144,932.63

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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.