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Finding the Fourth Proportional to 110,510.15, 165,734.88 and 30,529.01

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Solution

The fourth proportional to 110,510.15, 165,734.88 and 30,529.01 is: 45,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,510.15 : 165,734.88 = 30,529.01 : x
  2. Step 2: Convert to fraction form
    110,510.15/165,734.88 = 30,529.01/x
  3. Step 3: Cross multiply
    110,510.15x = 165,734.88 × 30,529.01
  4. Step 4: Simplify right side
    110,510.15x = 5,059,721,808.87
  5. Step 5: Solve for x
    x = 5,059,721,808.87/110,510.15
  6. Step 6: Final answer
    x = 45,785.13

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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.