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Finding the Fourth Proportional to 162,605.84, 243,978.55 and 62,836.11

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Solution

The fourth proportional to 162,605.84, 243,978.55 and 62,836.11 is: 94,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,605.84 : 243,978.55 = 62,836.11 : x
  2. Step 2: Convert to fraction form
    162,605.84/243,978.55 = 62,836.11/x
  3. Step 3: Cross multiply
    162,605.84x = 243,978.55 × 62,836.11
  4. Step 4: Simplify right side
    162,605.84x = 15,330,663,005.44
  5. Step 5: Solve for x
    x = 15,330,663,005.44/162,605.84
  6. Step 6: Final answer
    x = 94,281.13

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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.