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Finding the Fourth Proportional to 61,483.80, 92,225.70 and 54,226.20

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Solution

The fourth proportional to 61,483.80, 92,225.70 and 54,226.20 is: 81,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,483.80 : 92,225.70 = 54,226.20 : x
  2. Step 2: Convert to fraction form
    61,483.80/92,225.70 = 54,226.20/x
  3. Step 3: Cross multiply
    61,483.80x = 92,225.70 × 54,226.20
  4. Step 4: Simplify right side
    61,483.80x = 5,001,049,253.34
  5. Step 5: Solve for x
    x = 5,001,049,253.34/61,483.80
  6. Step 6: Final answer
    x = 81,339.30

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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.