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Finding the Fourth Proportional to 369,198.96, 553,790.48 and 102,952.38

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Solution

The fourth proportional to 369,198.96, 553,790.48 and 102,952.38 is: 154,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,198.96 : 553,790.48 = 102,952.38 : x
  2. Step 2: Convert to fraction form
    369,198.96/553,790.48 = 102,952.38/x
  3. Step 3: Cross multiply
    369,198.96x = 553,790.48 × 102,952.38
  4. Step 4: Simplify right side
    369,198.96x = 57,014,047,937.34
  5. Step 5: Solve for x
    x = 57,014,047,937.34/369,198.96
  6. Step 6: Final answer
    x = 154,426.35

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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.