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Finding the Fourth Proportional to 302,221, 453,328.80 and 112,674.93

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Solution

The fourth proportional to 302,221, 453,328.80 and 112,674.93 is: 169,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,221 : 453,328.80 = 112,674.93 : x
  2. Step 2: Convert to fraction form
    302,221/453,328.80 = 112,674.93/x
  3. Step 3: Cross multiply
    302,221x = 453,328.80 × 112,674.93
  4. Step 4: Simplify right side
    302,221x = 51,078,790,806.98
  5. Step 5: Solve for x
    x = 51,078,790,806.98/302,221
  6. Step 6: Final answer
    x = 169,011.39

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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.