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Finding the Fourth Proportional to 191,600, 264,416.08 and 106,717.04

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Solution

The fourth proportional to 191,600, 264,416.08 and 106,717.04 is: 147,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,600 : 264,416.08 = 106,717.04 : x
  2. Step 2: Convert to fraction form
    191,600/264,416.08 = 106,717.04/x
  3. Step 3: Cross multiply
    191,600x = 264,416.08 × 106,717.04
  4. Step 4: Simplify right side
    191,600x = 28,217,701,386.00
  5. Step 5: Solve for x
    x = 28,217,701,386.00/191,600
  6. Step 6: Final answer
    x = 147,274.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.