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Finding the Fourth Proportional to 108,641.64, 162,956.12 and 29,750.07

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Solution

The fourth proportional to 108,641.64, 162,956.12 and 29,750.07 is: 44,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,641.64 : 162,956.12 = 29,750.07 : x
  2. Step 2: Convert to fraction form
    108,641.64/162,956.12 = 29,750.07/x
  3. Step 3: Cross multiply
    108,641.64x = 162,956.12 × 29,750.07
  4. Step 4: Simplify right side
    108,641.64x = 4,847,955,828.18
  5. Step 5: Solve for x
    x = 4,847,955,828.18/108,641.64
  6. Step 6: Final answer
    x = 44,623.37

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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.