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Finding the Fourth Proportional to 358,734.72, 538,133.01 and 92,492.98

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Solution

The fourth proportional to 358,734.72, 538,133.01 and 92,492.98 is: 138,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,734.72 : 538,133.01 = 92,492.98 : x
  2. Step 2: Convert to fraction form
    358,734.72/538,133.01 = 92,492.98/x
  3. Step 3: Cross multiply
    358,734.72x = 538,133.01 × 92,492.98
  4. Step 4: Simplify right side
    358,734.72x = 49,773,525,731.27
  5. Step 5: Solve for x
    x = 49,773,525,731.27/358,734.72
  6. Step 6: Final answer
    x = 138,747.44

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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.