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Finding the Fourth Proportional to 152,445.30, 228,927.15 and 113,046.90

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Solution

The fourth proportional to 152,445.30, 228,927.15 and 113,046.90 is: 169,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,445.30 : 228,927.15 = 113,046.90 : x
  2. Step 2: Convert to fraction form
    152,445.30/228,927.15 = 113,046.90/x
  3. Step 3: Cross multiply
    152,445.30x = 228,927.15 × 113,046.90
  4. Step 4: Simplify right side
    152,445.30x = 25,879,504,633.34
  5. Step 5: Solve for x
    x = 25,879,504,633.34/152,445.30
  6. Step 6: Final answer
    x = 169,762.56

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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.