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Finding the Fourth Proportional to 163,062.51, 224,765.94 and 128,550.97

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Solution

The fourth proportional to 163,062.51, 224,765.94 and 128,550.97 is: 177,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,062.51 : 224,765.94 = 128,550.97 : x
  2. Step 2: Convert to fraction form
    163,062.51/224,765.94 = 128,550.97/x
  3. Step 3: Cross multiply
    163,062.51x = 224,765.94 × 128,550.97
  4. Step 4: Simplify right side
    163,062.51x = 28,893,879,609.96
  5. Step 5: Solve for x
    x = 28,893,879,609.96/163,062.51
  6. Step 6: Final answer
    x = 177,195.11

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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.