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Finding the Fourth Proportional to 107,573.54, 148,440.09 and 59,819.18

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Solution

The fourth proportional to 107,573.54, 148,440.09 and 59,819.18 is: 82,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,573.54 : 148,440.09 = 59,819.18 : x
  2. Step 2: Convert to fraction form
    107,573.54/148,440.09 = 59,819.18/x
  3. Step 3: Cross multiply
    107,573.54x = 148,440.09 × 59,819.18
  4. Step 4: Simplify right side
    107,573.54x = 8,879,564,462.93
  5. Step 5: Solve for x
    x = 8,879,564,462.93/107,573.54
  6. Step 6: Final answer
    x = 82,544.13

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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.