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Finding the Fourth Proportional to 202,457.80, 303,693.90 and 62,216.20

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Solution

The fourth proportional to 202,457.80, 303,693.90 and 62,216.20 is: 93,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,457.80 : 303,693.90 = 62,216.20 : x
  2. Step 2: Convert to fraction form
    202,457.80/303,693.90 = 62,216.20/x
  3. Step 3: Cross multiply
    202,457.80x = 303,693.90 × 62,216.20
  4. Step 4: Simplify right side
    202,457.80x = 18,894,680,421.18
  5. Step 5: Solve for x
    x = 18,894,680,421.18/202,457.80
  6. Step 6: Final answer
    x = 93,326.51

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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.