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Finding the Fourth Proportional to 108,710.40, 163,048.14 and 29,806.32

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Solution

The fourth proportional to 108,710.40, 163,048.14 and 29,806.32 is: 44,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,710.40 : 163,048.14 = 29,806.32 : x
  2. Step 2: Convert to fraction form
    108,710.40/163,048.14 = 29,806.32/x
  3. Step 3: Cross multiply
    108,710.40x = 163,048.14 × 29,806.32
  4. Step 4: Simplify right side
    108,710.40x = 4,859,865,036.24
  5. Step 5: Solve for x
    x = 4,859,865,036.24/108,710.40
  6. Step 6: Final answer
    x = 44,704.69

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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.