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Finding the Fourth Proportional to 191,779.55, 264,769.30 and 170,500.04

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Solution

The fourth proportional to 191,779.55, 264,769.30 and 170,500.04 is: 235,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,779.55 : 264,769.30 = 170,500.04 : x
  2. Step 2: Convert to fraction form
    191,779.55/264,769.30 = 170,500.04/x
  3. Step 3: Cross multiply
    191,779.55x = 264,769.30 × 170,500.04
  4. Step 4: Simplify right side
    191,779.55x = 45,143,176,122.94
  5. Step 5: Solve for x
    x = 45,143,176,122.94/191,779.55
  6. Step 6: Final answer
    x = 235,390.98

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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.