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Finding the Fourth Proportional to 168,081.10, 235,488.50 and 168,081.10

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Solution

The fourth proportional to 168,081.10, 235,488.50 and 168,081.10 is: 235,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.10 : 235,488.50 = 168,081.10 : x
  2. Step 2: Convert to fraction form
    168,081.10/235,488.50 = 168,081.10/x
  3. Step 3: Cross multiply
    168,081.10x = 235,488.50 × 168,081.10
  4. Step 4: Simplify right side
    168,081.10x = 39,581,166,117.35
  5. Step 5: Solve for x
    x = 39,581,166,117.35/168,081.10
  6. Step 6: Final answer
    x = 235,488.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.