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Finding the Fourth Proportional to 168,703.40, 253,055.10 and 160,927.40

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Solution

The fourth proportional to 168,703.40, 253,055.10 and 160,927.40 is: 241,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,703.40 : 253,055.10 = 160,927.40 : x
  2. Step 2: Convert to fraction form
    168,703.40/253,055.10 = 160,927.40/x
  3. Step 3: Cross multiply
    168,703.40x = 253,055.10 × 160,927.40
  4. Step 4: Simplify right side
    168,703.40x = 40,723,499,299.74
  5. Step 5: Solve for x
    x = 40,723,499,299.74/168,703.40
  6. Step 6: Final answer
    x = 241,391.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.