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Finding the Fourth Proportional to 191,572.86, 264,370.50 and 111,047.12

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Solution

The fourth proportional to 191,572.86, 264,370.50 and 111,047.12 is: 153,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,572.86 : 264,370.50 = 111,047.12 : x
  2. Step 2: Convert to fraction form
    191,572.86/264,370.50 = 111,047.12/x
  3. Step 3: Cross multiply
    191,572.86x = 264,370.50 × 111,047.12
  4. Step 4: Simplify right side
    191,572.86x = 29,357,581,316.11
  5. Step 5: Solve for x
    x = 29,357,581,316.11/191,572.86
  6. Step 6: Final answer
    x = 153,244.99

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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.