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Finding the Fourth Proportional to 108,693.77, 163,041.73 and 29,807.93

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Solution

The fourth proportional to 108,693.77, 163,041.73 and 29,807.93 is: 44,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,693.77 : 163,041.73 = 29,807.93 : x
  2. Step 2: Convert to fraction form
    108,693.77/163,041.73 = 29,807.93/x
  3. Step 3: Cross multiply
    108,693.77x = 163,041.73 × 29,807.93
  4. Step 4: Simplify right side
    108,693.77x = 4,859,936,808.00
  5. Step 5: Solve for x
    x = 4,859,936,808.00/108,693.77
  6. Step 6: Final answer
    x = 44,712.19

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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.