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Finding the Fourth Proportional to 144,927.30, 217,390.95 and 60,672.90

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Solution

The fourth proportional to 144,927.30, 217,390.95 and 60,672.90 is: 91,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,927.30 : 217,390.95 = 60,672.90 : x
  2. Step 2: Convert to fraction form
    144,927.30/217,390.95 = 60,672.90/x
  3. Step 3: Cross multiply
    144,927.30x = 217,390.95 × 60,672.90
  4. Step 4: Simplify right side
    144,927.30x = 13,189,739,370.26
  5. Step 5: Solve for x
    x = 13,189,739,370.26/144,927.30
  6. Step 6: Final answer
    x = 91,009.35

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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.