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Finding the Fourth Proportional to 192,779.39, 265,998.63 and 124,786.93

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Solution

The fourth proportional to 192,779.39, 265,998.63 and 124,786.93 is: 172,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,779.39 : 265,998.63 = 124,786.93 : x
  2. Step 2: Convert to fraction form
    192,779.39/265,998.63 = 124,786.93/x
  3. Step 3: Cross multiply
    192,779.39x = 265,998.63 × 124,786.93
  4. Step 4: Simplify right side
    192,779.39x = 33,193,152,723.61
  5. Step 5: Solve for x
    x = 33,193,152,723.61/192,779.39
  6. Step 6: Final answer
    x = 172,182.06

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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.