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Finding the Fourth Proportional to 133,014.59, 183,560.05 and 76,425.83

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Solution

The fourth proportional to 133,014.59, 183,560.05 and 76,425.83 is: 105,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,014.59 : 183,560.05 = 76,425.83 : x
  2. Step 2: Convert to fraction form
    133,014.59/183,560.05 = 76,425.83/x
  3. Step 3: Cross multiply
    133,014.59x = 183,560.05 × 76,425.83
  4. Step 4: Simplify right side
    133,014.59x = 14,028,729,176.09
  5. Step 5: Solve for x
    x = 14,028,729,176.09/133,014.59
  6. Step 6: Final answer
    x = 105,467.60

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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.