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Finding the Fourth Proportional to 161,492.85, 242,205.62 and 61,630.65

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Solution

The fourth proportional to 161,492.85, 242,205.62 and 61,630.65 is: 92,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,492.85 : 242,205.62 = 61,630.65 : x
  2. Step 2: Convert to fraction form
    161,492.85/242,205.62 = 61,630.65/x
  3. Step 3: Cross multiply
    161,492.85x = 242,205.62 × 61,630.65
  4. Step 4: Simplify right side
    161,492.85x = 14,927,289,486.10
  5. Step 5: Solve for x
    x = 14,927,289,486.10/161,492.85
  6. Step 6: Final answer
    x = 92,433.13

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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.