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Finding the Fourth Proportional to 76,327.63, 105,210.42 and 60,168.59

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Solution

The fourth proportional to 76,327.63, 105,210.42 and 60,168.59 is: 82,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,327.63 : 105,210.42 = 60,168.59 : x
  2. Step 2: Convert to fraction form
    76,327.63/105,210.42 = 60,168.59/x
  3. Step 3: Cross multiply
    76,327.63x = 105,210.42 × 60,168.59
  4. Step 4: Simplify right side
    76,327.63x = 6,330,362,624.71
  5. Step 5: Solve for x
    x = 6,330,362,624.71/76,327.63
  6. Step 6: Final answer
    x = 82,936.71

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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.