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Finding the Fourth Proportional to 103,333.40, 155,000.10 and 36,848.60

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Solution

The fourth proportional to 103,333.40, 155,000.10 and 36,848.60 is: 55,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,333.40 : 155,000.10 = 36,848.60 : x
  2. Step 2: Convert to fraction form
    103,333.40/155,000.10 = 36,848.60/x
  3. Step 3: Cross multiply
    103,333.40x = 155,000.10 × 36,848.60
  4. Step 4: Simplify right side
    103,333.40x = 5,711,536,684.86
  5. Step 5: Solve for x
    x = 5,711,536,684.86/103,333.40
  6. Step 6: Final answer
    x = 55,272.90

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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.