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Finding the Fourth Proportional to 133,026.42, 183,600.12 and 79,314.84

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Solution

The fourth proportional to 133,026.42, 183,600.12 and 79,314.84 is: 109,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.42 : 183,600.12 = 79,314.84 : x
  2. Step 2: Convert to fraction form
    133,026.42/183,600.12 = 79,314.84/x
  3. Step 3: Cross multiply
    133,026.42x = 183,600.12 × 79,314.84
  4. Step 4: Simplify right side
    133,026.42x = 14,562,214,141.78
  5. Step 5: Solve for x
    x = 14,562,214,141.78/133,026.42
  6. Step 6: Final answer
    x = 109,468.59

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1.5x scale

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.