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Finding the Fourth Proportional to 103,445.55, 155,186.55 and 36,924.30

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Solution

The fourth proportional to 103,445.55, 155,186.55 and 36,924.30 is: 55,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,445.55 : 155,186.55 = 36,924.30 : x
  2. Step 2: Convert to fraction form
    103,445.55/155,186.55 = 36,924.30/x
  3. Step 3: Cross multiply
    103,445.55x = 155,186.55 × 36,924.30
  4. Step 4: Simplify right side
    103,445.55x = 5,730,154,728.17
  5. Step 5: Solve for x
    x = 5,730,154,728.17/103,445.55
  6. Step 6: Final answer
    x = 55,392.96

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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.