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Finding the Fourth Proportional to 146,751.30, 219,932.55 and 130,032.90

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Solution

The fourth proportional to 146,751.30, 219,932.55 and 130,032.90 is: 194,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751.30 : 219,932.55 = 130,032.90 : x
  2. Step 2: Convert to fraction form
    146,751.30/219,932.55 = 130,032.90/x
  3. Step 3: Cross multiply
    146,751.30x = 219,932.55 × 130,032.90
  4. Step 4: Simplify right side
    146,751.30x = 28,598,467,280.90
  5. Step 5: Solve for x
    x = 28,598,467,280.90/146,751.30
  6. Step 6: Final answer
    x = 194,877.10

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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.