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Finding the Fourth Proportional to 124,416.51, 186,624.77 and 41,310.51

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Solution

The fourth proportional to 124,416.51, 186,624.77 and 41,310.51 is: 61,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416.51 : 186,624.77 = 41,310.51 : x
  2. Step 2: Convert to fraction form
    124,416.51/186,624.77 = 41,310.51/x
  3. Step 3: Cross multiply
    124,416.51x = 186,624.77 × 41,310.51
  4. Step 4: Simplify right side
    124,416.51x = 7,709,564,220.78
  5. Step 5: Solve for x
    x = 7,709,564,220.78/124,416.51
  6. Step 6: Final answer
    x = 61,965.77

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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.