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Finding the Fourth Proportional to 124,468.65, 171,782.17 and 76,060.62

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Solution

The fourth proportional to 124,468.65, 171,782.17 and 76,060.62 is: 104,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468.65 : 171,782.17 = 76,060.62 : x
  2. Step 2: Convert to fraction form
    124,468.65/171,782.17 = 76,060.62/x
  3. Step 3: Cross multiply
    124,468.65x = 171,782.17 × 76,060.62
  4. Step 4: Simplify right side
    124,468.65x = 13,065,858,164.99
  5. Step 5: Solve for x
    x = 13,065,858,164.99/124,468.65
  6. Step 6: Final answer
    x = 104,973.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.