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Finding the Fourth Proportional to 302,571.60, 453,808.80 and 92,160.60

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Solution

The fourth proportional to 302,571.60, 453,808.80 and 92,160.60 is: 138,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,571.60 : 453,808.80 = 92,160.60 : x
  2. Step 2: Convert to fraction form
    302,571.60/453,808.80 = 92,160.60/x
  3. Step 3: Cross multiply
    302,571.60x = 453,808.80 × 92,160.60
  4. Step 4: Simplify right side
    302,571.60x = 41,823,291,293.28
  5. Step 5: Solve for x
    x = 41,823,291,293.28/302,571.60
  6. Step 6: Final answer
    x = 138,226.10

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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.