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Finding the Fourth Proportional to 202,655.90, 303,955.05 and 62,428.70

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Solution

The fourth proportional to 202,655.90, 303,955.05 and 62,428.70 is: 93,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,655.90 : 303,955.05 = 62,428.70 : x
  2. Step 2: Convert to fraction form
    202,655.90/303,955.05 = 62,428.70/x
  3. Step 3: Cross multiply
    202,655.90x = 303,955.05 × 62,428.70
  4. Step 4: Simplify right side
    202,655.90x = 18,975,518,629.94
  5. Step 5: Solve for x
    x = 18,975,518,629.94/202,655.90
  6. Step 6: Final answer
    x = 93,634.18

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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.