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Finding the Fourth Proportional to 108,009, 162,006.62 and 40,527.72

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Solution

The fourth proportional to 108,009, 162,006.62 and 40,527.72 is: 60,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009 : 162,006.62 = 40,527.72 : x
  2. Step 2: Convert to fraction form
    108,009/162,006.62 = 40,527.72/x
  3. Step 3: Cross multiply
    108,009x = 162,006.62 × 40,527.72
  4. Step 4: Simplify right side
    108,009x = 6,565,758,933.51
  5. Step 5: Solve for x
    x = 6,565,758,933.51/108,009
  6. Step 6: Final answer
    x = 60,789.00

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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.