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Finding the Fourth Proportional to 163,779.53, 245,544.43 and 51,394.92

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Solution

The fourth proportional to 163,779.53, 245,544.43 and 51,394.92 is: 77,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,779.53 : 245,544.43 = 51,394.92 : x
  2. Step 2: Convert to fraction form
    163,779.53/245,544.43 = 51,394.92/x
  3. Step 3: Cross multiply
    163,779.53x = 245,544.43 × 51,394.92
  4. Step 4: Simplify right side
    163,779.53x = 12,619,736,336.30
  5. Step 5: Solve for x
    x = 12,619,736,336.30/163,779.53
  6. Step 6: Final answer
    x = 77,053.20

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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.