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Finding the Fourth Proportional to 302,003.60, 453,003.60 and 77,363.60

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Solution

The fourth proportional to 302,003.60, 453,003.60 and 77,363.60 is: 116,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,003.60 : 453,003.60 = 77,363.60 : x
  2. Step 2: Convert to fraction form
    302,003.60/453,003.60 = 77,363.60/x
  3. Step 3: Cross multiply
    302,003.60x = 453,003.60 × 77,363.60
  4. Step 4: Simplify right side
    302,003.60x = 35,045,989,308.96
  5. Step 5: Solve for x
    x = 35,045,989,308.96/302,003.60
  6. Step 6: Final answer
    x = 116,044.94

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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.