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Finding the Fourth Proportional to 101,329.95, 152,011.26 and 31,209.24

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Solution

The fourth proportional to 101,329.95, 152,011.26 and 31,209.24 is: 46,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,329.95 : 152,011.26 = 31,209.24 : x
  2. Step 2: Convert to fraction form
    101,329.95/152,011.26 = 31,209.24/x
  3. Step 3: Cross multiply
    101,329.95x = 152,011.26 × 31,209.24
  4. Step 4: Simplify right side
    101,329.95x = 4,744,155,896.04
  5. Step 5: Solve for x
    x = 4,744,155,896.04/101,329.95
  6. Step 6: Final answer
    x = 46,818.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.