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Finding the Fourth Proportional to 185,256.93, 255,661.72 and 112,638.97

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Solution

The fourth proportional to 185,256.93, 255,661.72 and 112,638.97 is: 155,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,256.93 : 255,661.72 = 112,638.97 : x
  2. Step 2: Convert to fraction form
    185,256.93/255,661.72 = 112,638.97/x
  3. Step 3: Cross multiply
    185,256.93x = 255,661.72 × 112,638.97
  4. Step 4: Simplify right side
    185,256.93x = 28,797,471,888.48
  5. Step 5: Solve for x
    x = 28,797,471,888.48/185,256.93
  6. Step 6: Final answer
    x = 155,446.12

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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.