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Finding the Fourth Proportional to 302,655.15, 453,981.51 and 92,292.48

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Solution

The fourth proportional to 302,655.15, 453,981.51 and 92,292.48 is: 138,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,655.15 : 453,981.51 = 92,292.48 : x
  2. Step 2: Convert to fraction form
    302,655.15/453,981.51 = 92,292.48/x
  3. Step 3: Cross multiply
    302,655.15x = 453,981.51 × 92,292.48
  4. Step 4: Simplify right side
    302,655.15x = 41,899,079,432.04
  5. Step 5: Solve for x
    x = 41,899,079,432.04/302,655.15
  6. Step 6: Final answer
    x = 138,438.35

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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.