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Finding the Fourth Proportional to 103,732, 155,598.06 and 29,860

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Solution

The fourth proportional to 103,732, 155,598.06 and 29,860 is: 44,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732 : 155,598.06 = 29,860 : x
  2. Step 2: Convert to fraction form
    103,732/155,598.06 = 29,860/x
  3. Step 3: Cross multiply
    103,732x = 155,598.06 × 29,860
  4. Step 4: Simplify right side
    103,732x = 4,646,158,071.60
  5. Step 5: Solve for x
    x = 4,646,158,071.60/103,732
  6. Step 6: Final answer
    x = 44,790.02

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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.