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Finding the Fourth Proportional to 157,992.41, 218,032.12 and 94,335.77

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Solution

The fourth proportional to 157,992.41, 218,032.12 and 94,335.77 is: 130,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,992.41 : 218,032.12 = 94,335.77 : x
  2. Step 2: Convert to fraction form
    157,992.41/218,032.12 = 94,335.77/x
  3. Step 3: Cross multiply
    157,992.41x = 218,032.12 × 94,335.77
  4. Step 4: Simplify right side
    157,992.41x = 20,568,228,587.93
  5. Step 5: Solve for x
    x = 20,568,228,587.93/157,992.41
  6. Step 6: Final answer
    x = 130,184.91

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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.