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Finding the Fourth Proportional to 270,535.61, 405,803.04 and 108,502.76

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Solution

The fourth proportional to 270,535.61, 405,803.04 and 108,502.76 is: 162,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,535.61 : 405,803.04 = 108,502.76 : x
  2. Step 2: Convert to fraction form
    270,535.61/405,803.04 = 108,502.76/x
  3. Step 3: Cross multiply
    270,535.61x = 405,803.04 × 108,502.76
  4. Step 4: Simplify right side
    270,535.61x = 44,030,747,827.38
  5. Step 5: Solve for x
    x = 44,030,747,827.38/270,535.61
  6. Step 6: Final answer
    x = 162,753.98

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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.