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Finding the Fourth Proportional to 302,897.55, 454,351.08 and 89,687.10

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Solution

The fourth proportional to 302,897.55, 454,351.08 and 89,687.10 is: 134,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,897.55 : 454,351.08 = 89,687.10 : x
  2. Step 2: Convert to fraction form
    302,897.55/454,351.08 = 89,687.10/x
  3. Step 3: Cross multiply
    302,897.55x = 454,351.08 × 89,687.10
  4. Step 4: Simplify right side
    302,897.55x = 40,749,430,298.63
  5. Step 5: Solve for x
    x = 40,749,430,298.63/302,897.55
  6. Step 6: Final answer
    x = 134,532.06

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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.