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Finding the Fourth Proportional to 163,710.67, 245,566.07 and 73,648.19

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Solution

The fourth proportional to 163,710.67, 245,566.07 and 73,648.19 is: 110,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,710.67 : 245,566.07 = 73,648.19 : x
  2. Step 2: Convert to fraction form
    163,710.67/245,566.07 = 73,648.19/x
  3. Step 3: Cross multiply
    163,710.67x = 245,566.07 × 73,648.19
  4. Step 4: Simplify right side
    163,710.67x = 18,085,495,537.20
  5. Step 5: Solve for x
    x = 18,085,495,537.20/163,710.67
  6. Step 6: Final answer
    x = 110,472.31

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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.