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Finding the Fourth Proportional to 164,308.55, 246,506.49 and 51,990.76

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Solution

The fourth proportional to 164,308.55, 246,506.49 and 51,990.76 is: 77,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,308.55 : 246,506.49 = 51,990.76 : x
  2. Step 2: Convert to fraction form
    164,308.55/246,506.49 = 51,990.76/x
  3. Step 3: Cross multiply
    164,308.55x = 246,506.49 × 51,990.76
  4. Step 4: Simplify right side
    164,308.55x = 12,816,060,068.17
  5. Step 5: Solve for x
    x = 12,816,060,068.17/164,308.55
  6. Step 6: Final answer
    x = 77,999.96

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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.