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Finding the Fourth Proportional to 107,762.72, 148,706.70 and 59,355.22

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Solution

The fourth proportional to 107,762.72, 148,706.70 and 59,355.22 is: 81,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,762.72 : 148,706.70 = 59,355.22 : x
  2. Step 2: Convert to fraction form
    107,762.72/148,706.70 = 59,355.22/x
  3. Step 3: Cross multiply
    107,762.72x = 148,706.70 × 59,355.22
  4. Step 4: Simplify right side
    107,762.72x = 8,826,518,893.97
  5. Step 5: Solve for x
    x = 8,826,518,893.97/107,762.72
  6. Step 6: Final answer
    x = 81,906.98

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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.