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Finding the Fourth Proportional to 191,542.84, 264,329.11 and 111,017.08

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Solution

The fourth proportional to 191,542.84, 264,329.11 and 111,017.08 is: 153,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,542.84 : 264,329.11 = 111,017.08 : x
  2. Step 2: Convert to fraction form
    191,542.84/264,329.11 = 111,017.08/x
  3. Step 3: Cross multiply
    191,542.84x = 264,329.11 × 111,017.08
  4. Step 4: Simplify right side
    191,542.84x = 29,345,045,290.37
  5. Step 5: Solve for x
    x = 29,345,045,290.37/191,542.84
  6. Step 6: Final answer
    x = 153,203.56

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1.5x scale

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.