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Finding the Fourth Proportional to 163,950.33, 245,925.09 and 51,639.96

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Solution

The fourth proportional to 163,950.33, 245,925.09 and 51,639.96 is: 77,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,950.33 : 245,925.09 = 51,639.96 : x
  2. Step 2: Convert to fraction form
    163,950.33/245,925.09 = 51,639.96/x
  3. Step 3: Cross multiply
    163,950.33x = 245,925.09 × 51,639.96
  4. Step 4: Simplify right side
    163,950.33x = 12,699,561,810.60
  5. Step 5: Solve for x
    x = 12,699,561,810.60/163,950.33
  6. Step 6: Final answer
    x = 77,459.81

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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.