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Finding the Fourth Proportional to 185,151.63, 255,513.92 and 113,571.12

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Solution

The fourth proportional to 185,151.63, 255,513.92 and 113,571.12 is: 156,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,151.63 : 255,513.92 = 113,571.12 : x
  2. Step 2: Convert to fraction form
    185,151.63/255,513.92 = 113,571.12/x
  3. Step 3: Cross multiply
    185,151.63x = 255,513.92 × 113,571.12
  4. Step 4: Simplify right side
    185,151.63x = 29,019,001,502.13
  5. Step 5: Solve for x
    x = 29,019,001,502.13/185,151.63
  6. Step 6: Final answer
    x = 156,731.01

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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.