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Finding the Fourth Proportional to 163,666.53, 245,491.91 and 57,046.19

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Solution

The fourth proportional to 163,666.53, 245,491.91 and 57,046.19 is: 85,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666.53 : 245,491.91 = 57,046.19 : x
  2. Step 2: Convert to fraction form
    163,666.53/245,491.91 = 57,046.19/x
  3. Step 3: Cross multiply
    163,666.53x = 245,491.91 × 57,046.19
  4. Step 4: Simplify right side
    163,666.53x = 14,004,376,628.63
  5. Step 5: Solve for x
    x = 14,004,376,628.63/163,666.53
  6. Step 6: Final answer
    x = 85,566.53

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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.