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Finding the Fourth Proportional to 191,794.56, 264,689.64 and 106,925.28

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Solution

The fourth proportional to 191,794.56, 264,689.64 and 106,925.28 is: 147,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,794.56 : 264,689.64 = 106,925.28 : x
  2. Step 2: Convert to fraction form
    191,794.56/264,689.64 = 106,925.28/x
  3. Step 3: Cross multiply
    191,794.56x = 264,689.64 × 106,925.28
  4. Step 4: Simplify right side
    191,794.56x = 28,302,013,870.10
  5. Step 5: Solve for x
    x = 28,302,013,870.10/191,794.56
  6. Step 6: Final answer
    x = 147,564.22

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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.