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Finding the Fourth Proportional to 103,497.35, 155,260.80 and 36,923.45

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Solution

The fourth proportional to 103,497.35, 155,260.80 and 36,923.45 is: 55,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,497.35 : 155,260.80 = 36,923.45 : x
  2. Step 2: Convert to fraction form
    103,497.35/155,260.80 = 36,923.45/x
  3. Step 3: Cross multiply
    103,497.35x = 155,260.80 × 36,923.45
  4. Step 4: Simplify right side
    103,497.35x = 5,732,763,609.46
  5. Step 5: Solve for x
    x = 5,732,763,609.46/103,497.35
  6. Step 6: Final answer
    x = 55,390.44

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1.5x scale

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.