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Finding the Fourth Proportional to 159,392.96, 238,423.56 and 112,004.72

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Solution

The fourth proportional to 159,392.96, 238,423.56 and 112,004.72 is: 167,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,392.96 : 238,423.56 = 112,004.72 : x
  2. Step 2: Convert to fraction form
    159,392.96/238,423.56 = 112,004.72/x
  3. Step 3: Cross multiply
    159,392.96x = 238,423.56 × 112,004.72
  4. Step 4: Simplify right side
    159,392.96x = 26,704,564,079.20
  5. Step 5: Solve for x
    x = 26,704,564,079.20/159,392.96
  6. Step 6: Final answer
    x = 167,539.17

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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.