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Finding the Fourth Proportional to 302,563.53, 453,894.54 and 89,353.01

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Solution

The fourth proportional to 302,563.53, 453,894.54 and 89,353.01 is: 134,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,563.53 : 453,894.54 = 89,353.01 : x
  2. Step 2: Convert to fraction form
    302,563.53/453,894.54 = 89,353.01/x
  3. Step 3: Cross multiply
    302,563.53x = 453,894.54 × 89,353.01
  4. Step 4: Simplify right side
    302,563.53x = 40,556,841,102.09
  5. Step 5: Solve for x
    x = 40,556,841,102.09/302,563.53
  6. Step 6: Final answer
    x = 134,044.05

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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.