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Finding the Fourth Proportional to 302,715.80, 454,095.30 and 92,353.40

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Solution

The fourth proportional to 302,715.80, 454,095.30 and 92,353.40 is: 138,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,715.80 : 454,095.30 = 92,353.40 : x
  2. Step 2: Convert to fraction form
    302,715.80/454,095.30 = 92,353.40/x
  3. Step 3: Cross multiply
    302,715.80x = 454,095.30 × 92,353.40
  4. Step 4: Simplify right side
    302,715.80x = 41,937,244,879.02
  5. Step 5: Solve for x
    x = 41,937,244,879.02/302,715.80
  6. Step 6: Final answer
    x = 138,536.69

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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.