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Finding the Fourth Proportional to 192,779.29, 265,900.19 and 134,538.80

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Solution

The fourth proportional to 192,779.29, 265,900.19 and 134,538.80 is: 185,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,779.29 : 265,900.19 = 134,538.80 : x
  2. Step 2: Convert to fraction form
    192,779.29/265,900.19 = 134,538.80/x
  3. Step 3: Cross multiply
    192,779.29x = 265,900.19 × 134,538.80
  4. Step 4: Simplify right side
    192,779.29x = 35,773,890,480.18
  5. Step 5: Solve for x
    x = 35,773,890,480.18/192,779.29
  6. Step 6: Final answer
    x = 185,569.16

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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.