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Finding the Fourth Proportional to 151,468.80, 227,059.20 and 56,673.60

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Solution

The fourth proportional to 151,468.80, 227,059.20 and 56,673.60 is: 84,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,468.80 : 227,059.20 = 56,673.60 : x
  2. Step 2: Convert to fraction form
    151,468.80/227,059.20 = 56,673.60/x
  3. Step 3: Cross multiply
    151,468.80x = 227,059.20 × 56,673.60
  4. Step 4: Simplify right side
    151,468.80x = 12,868,262,277.12
  5. Step 5: Solve for x
    x = 12,868,262,277.12/151,468.80
  6. Step 6: Final answer
    x = 84,956.52

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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.