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Finding the Fourth Proportional to 168,068.10, 235,470.30 and 168,068.10

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Solution

The fourth proportional to 168,068.10, 235,470.30 and 168,068.10 is: 235,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068.10 : 235,470.30 = 168,068.10 : x
  2. Step 2: Convert to fraction form
    168,068.10/235,470.30 = 168,068.10/x
  3. Step 3: Cross multiply
    168,068.10x = 235,470.30 × 168,068.10
  4. Step 4: Simplify right side
    168,068.10x = 39,575,045,927.43
  5. Step 5: Solve for x
    x = 39,575,045,927.43/168,068.10
  6. Step 6: Final answer
    x = 235,470.30

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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.