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Finding the Fourth Proportional to 90,762.96, 136,144.39 and 27,582.93

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Solution

The fourth proportional to 90,762.96, 136,144.39 and 27,582.93 is: 41,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,762.96 : 136,144.39 = 27,582.93 : x
  2. Step 2: Convert to fraction form
    90,762.96/136,144.39 = 27,582.93/x
  3. Step 3: Cross multiply
    90,762.96x = 136,144.39 × 27,582.93
  4. Step 4: Simplify right side
    90,762.96x = 3,755,260,599.76
  5. Step 5: Solve for x
    x = 3,755,260,599.76/90,762.96
  6. Step 6: Final answer
    x = 41,374.37

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1.5x scale

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.