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Finding the Fourth Proportional to 302,002.64, 452,992.44 and 91,632.08

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Solution

The fourth proportional to 302,002.64, 452,992.44 and 91,632.08 is: 137,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,002.64 : 452,992.44 = 91,632.08 : x
  2. Step 2: Convert to fraction form
    302,002.64/452,992.44 = 91,632.08/x
  3. Step 3: Cross multiply
    302,002.64x = 452,992.44 × 91,632.08
  4. Step 4: Simplify right side
    302,002.64x = 41,508,639,501.48
  5. Step 5: Solve for x
    x = 41,508,639,501.48/302,002.64
  6. Step 6: Final answer
    x = 137,444.62

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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.