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Finding the Fourth Proportional to 302,425.63, 453,637.81 and 89,343.16

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Solution

The fourth proportional to 302,425.63, 453,637.81 and 89,343.16 is: 134,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,425.63 : 453,637.81 = 89,343.16 : x
  2. Step 2: Convert to fraction form
    302,425.63/453,637.81 = 89,343.16/x
  3. Step 3: Cross multiply
    302,425.63x = 453,637.81 × 89,343.16
  4. Step 4: Simplify right side
    302,425.63x = 40,529,434,083.43
  5. Step 5: Solve for x
    x = 40,529,434,083.43/302,425.63
  6. Step 6: Final answer
    x = 134,014.55

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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.