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Finding the Fourth Proportional to 163,744.74, 245,617.08 and 45,416.09

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Solution

The fourth proportional to 163,744.74, 245,617.08 and 45,416.09 is: 68,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,744.74 : 245,617.08 = 45,416.09 : x
  2. Step 2: Convert to fraction form
    163,744.74/245,617.08 = 45,416.09/x
  3. Step 3: Cross multiply
    163,744.74x = 245,617.08 × 45,416.09
  4. Step 4: Simplify right side
    163,744.74x = 11,154,967,410.82
  5. Step 5: Solve for x
    x = 11,154,967,410.82/163,744.74
  6. Step 6: Final answer
    x = 68,124.13

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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.