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Finding the Fourth Proportional to 302,762.80, 454,199.28 and 103,072.96

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Solution

The fourth proportional to 302,762.80, 454,199.28 and 103,072.96 is: 154,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,762.80 : 454,199.28 = 103,072.96 : x
  2. Step 2: Convert to fraction form
    302,762.80/454,199.28 = 103,072.96/x
  3. Step 3: Cross multiply
    302,762.80x = 454,199.28 × 103,072.96
  4. Step 4: Simplify right side
    302,762.80x = 46,815,664,219.47
  5. Step 5: Solve for x
    x = 46,815,664,219.47/302,762.80
  6. Step 6: Final answer
    x = 154,628.19

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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.