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Finding the Fourth Proportional to 107,045.44, 147,731.04 and 59,303.20

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Solution

The fourth proportional to 107,045.44, 147,731.04 and 59,303.20 is: 81,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,045.44 : 147,731.04 = 59,303.20 : x
  2. Step 2: Convert to fraction form
    107,045.44/147,731.04 = 59,303.20/x
  3. Step 3: Cross multiply
    107,045.44x = 147,731.04 × 59,303.20
  4. Step 4: Simplify right side
    107,045.44x = 8,760,923,411.33
  5. Step 5: Solve for x
    x = 8,760,923,411.33/107,045.44
  6. Step 6: Final answer
    x = 81,843.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.