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Finding the Fourth Proportional to 88,762.60, 133,166.46 and 26,433.64

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Solution

The fourth proportional to 88,762.60, 133,166.46 and 26,433.64 is: 39,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762.60 : 133,166.46 = 26,433.64 : x
  2. Step 2: Convert to fraction form
    88,762.60/133,166.46 = 26,433.64/x
  3. Step 3: Cross multiply
    88,762.60x = 133,166.46 × 26,433.64
  4. Step 4: Simplify right side
    88,762.60x = 3,520,074,263.71
  5. Step 5: Solve for x
    x = 3,520,074,263.71/88,762.60
  6. Step 6: Final answer
    x = 39,657.18

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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.