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Finding the Fourth Proportional to 159,776.72, 239,502.98 and 103,652.64

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Solution

The fourth proportional to 159,776.72, 239,502.98 and 103,652.64 is: 155,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,776.72 : 239,502.98 = 103,652.64 : x
  2. Step 2: Convert to fraction form
    159,776.72/239,502.98 = 103,652.64/x
  3. Step 3: Cross multiply
    159,776.72x = 239,502.98 × 103,652.64
  4. Step 4: Simplify right side
    159,776.72x = 24,825,116,164.87
  5. Step 5: Solve for x
    x = 24,825,116,164.87/159,776.72
  6. Step 6: Final answer
    x = 155,373.80

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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.