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Finding the Fourth Proportional to 302,125.65, 453,095.85 and 99,684.39

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Solution

The fourth proportional to 302,125.65, 453,095.85 and 99,684.39 is: 149,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,125.65 : 453,095.85 = 99,684.39 : x
  2. Step 2: Convert to fraction form
    302,125.65/453,095.85 = 99,684.39/x
  3. Step 3: Cross multiply
    302,125.65x = 453,095.85 × 99,684.39
  4. Step 4: Simplify right side
    302,125.65x = 45,166,583,418.78
  5. Step 5: Solve for x
    x = 45,166,583,418.78/302,125.65
  6. Step 6: Final answer
    x = 149,496.02

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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.