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Finding the Fourth Proportional to 202,013.31, 303,109.23 and 105,927.59

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Solution

The fourth proportional to 202,013.31, 303,109.23 and 105,927.59 is: 158,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,013.31 : 303,109.23 = 105,927.59 : x
  2. Step 2: Convert to fraction form
    202,013.31/303,109.23 = 105,927.59/x
  3. Step 3: Cross multiply
    202,013.31x = 303,109.23 × 105,927.59
  4. Step 4: Simplify right side
    202,013.31x = 32,107,628,725.11
  5. Step 5: Solve for x
    x = 32,107,628,725.11/202,013.31
  6. Step 6: Final answer
    x = 158,938.18

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1.5x scale

Why These Related Problems?

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