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Finding the Fourth Proportional to 152,407.36, 210,329.70 and 91,977.04

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Solution

The fourth proportional to 152,407.36, 210,329.70 and 91,977.04 is: 126,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,407.36 : 210,329.70 = 91,977.04 : x
  2. Step 2: Convert to fraction form
    152,407.36/210,329.70 = 91,977.04/x
  3. Step 3: Cross multiply
    152,407.36x = 210,329.70 × 91,977.04
  4. Step 4: Simplify right side
    152,407.36x = 19,345,503,230.09
  5. Step 5: Solve for x
    x = 19,345,503,230.09/152,407.36
  6. Step 6: Final answer
    x = 126,932.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.