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Finding the Fourth Proportional to 256,083.54, 383,935.08 and 122,836.92

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Solution

The fourth proportional to 256,083.54, 383,935.08 and 122,836.92 is: 184,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,083.54 : 383,935.08 = 122,836.92 : x
  2. Step 2: Convert to fraction form
    256,083.54/383,935.08 = 122,836.92/x
  3. Step 3: Cross multiply
    256,083.54x = 383,935.08 × 122,836.92
  4. Step 4: Simplify right side
    256,083.54x = 47,161,402,707.15
  5. Step 5: Solve for x
    x = 47,161,402,707.15/256,083.54
  6. Step 6: Final answer
    x = 184,164.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.