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Finding the Fourth Proportional to 62,116.80, 92,980.80 and 48,897.60

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Solution

The fourth proportional to 62,116.80, 92,980.80 and 48,897.60 is: 73,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,116.80 : 92,980.80 = 48,897.60 : x
  2. Step 2: Convert to fraction form
    62,116.80/92,980.80 = 48,897.60/x
  3. Step 3: Cross multiply
    62,116.80x = 92,980.80 × 48,897.60
  4. Step 4: Simplify right side
    62,116.80x = 4,546,537,966.08
  5. Step 5: Solve for x
    x = 4,546,537,966.08/62,116.80
  6. Step 6: Final answer
    x = 73,193.37

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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.