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Finding the Fourth Proportional to 302,559.96, 453,889.19 and 89,349.43

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Solution

The fourth proportional to 302,559.96, 453,889.19 and 89,349.43 is: 134,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,559.96 : 453,889.19 = 89,349.43 : x
  2. Step 2: Convert to fraction form
    302,559.96/453,889.19 = 89,349.43/x
  3. Step 3: Cross multiply
    302,559.96x = 453,889.19 × 89,349.43
  4. Step 4: Simplify right side
    302,559.96x = 40,554,742,364.01
  5. Step 5: Solve for x
    x = 40,554,742,364.01/302,559.96
  6. Step 6: Final answer
    x = 134,038.70

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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.