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Finding the Fourth Proportional to 61,603.98, 92,281.20 and 48,394.50

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Solution

The fourth proportional to 61,603.98, 92,281.20 and 48,394.50 is: 72,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,603.98 : 92,281.20 = 48,394.50 : x
  2. Step 2: Convert to fraction form
    61,603.98/92,281.20 = 48,394.50/x
  3. Step 3: Cross multiply
    61,603.98x = 92,281.20 × 48,394.50
  4. Step 4: Simplify right side
    61,603.98x = 4,465,902,533.40
  5. Step 5: Solve for x
    x = 4,465,902,533.40/61,603.98
  6. Step 6: Final answer
    x = 72,493.73

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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.